TW400368B - Binder composition and process for producing a hot press molded board using the same - Google Patents

Abstract

A binder composition is disclosed, comprising (A) a compound having at least two isocyanate groups or its reaction product, (B) a low-molecular weight polyethylene, and (C) water. A process for the production of a board by using a lignocellulose-based material and the above-described binder composition is also disclosed. In the production of a hot press molded board made up of a lignocellulose and/or an inorganic material as a main raw material, according to the binder composition and production method of the present invention, even in case that the hot press molding is carried out by using an isocyanate-based binder, the releasability from a hot board is eternally good, and the productivity of the system is remarkably improved. At the same time, superior physical properties of a board and a low hygroscopic linear expansion coefficient are realized.

Description

B7 V. Description of the invention (23), β > ·: We would like to ask Venezuela 0Η Value: 28 (-CH2CH2-〇-) Structure content: 40¾ Example 2 〆 ·, -Original% Staff Consumer Cooperatives, Central Standards Bureau, Ministry of Economic Affairs Printing [Preparation of boards] Wood chips and low-molecular-weight polyethylene (Nippon Seiro Co., Ltd., trade name "WEISSEN" with a mixture of conifers and valve leaves (5/5) with a replacement ratio of 100: 1.2 -0453 ") is installed in MDF manufacturing equipment, and the fiber separation process is performed by steam pressure disc refining operation. The so-called "blowing line" uses a gear pump to aggregate 1,250 parts by weight (dry) of raw materials into 100 parts by weight (dry) of polymerized MDI ("Cosmonate M-300" manufactured by Mitsui Chemicals Corporation) ") Add people under pressure. Thereafter, Maineville was dried until the water content became approximately 12¾, and weighed * K so that the board had a set density after molding, and was then uniformly formed on a backing plate (made of cymbal) to have a size of 30 cm x 30 cm size. The formed plate was covered with a backing plate having the same formula, and the combination was hot-pressed under the conditions described below. As a result, the mold release property was very good, and even after being continuously prepared 50 times, no adhesion to the pad was observed at all. According to the J IS standard, the thus-prepared plate was subjected to normal bending strength measurement. [Preparation conditions of the board] Set thickness: 12 mm Set density: 0.72 Water content of felt: Approx. 12¾ Heater temperature: 200t: Pressing pressure: 30 kgf / cm² 1 — S.---- ---ml --------— I--..... — i ml (Please read the precautions on the back before filling out this page).. This paper size applies to Chinese national standards (CNS > Α4 specifications (210 × 297 mm) -26-Corrected page Μ Β7 Included in the Ministry of Economics " Bureau only X, Consumer Cooperatives * '1 Winter fifth, invention description 1) 1 1 Field of invention 1 1 This issue 1 The Ming Department is about the adhesive composition used in the manufacture of LM lignocellulose and / or inorganic materials 1 1 as the main raw material for hot-pressed molding boards. The present invention is also y— «V Please first 1 1 Manufacture Μ Readings made of lignocellulose and / or tar VOk mm as the main raw material are all 1 I η ι 1 1 Method of pressing the molding plate 0 to 1 Note 1 In the molded products made of high-quality cellulose as the main raw material, the molding products in which the lignocellulose of consideration 1 is wood chips are called plywood (P art 1 cl e again. Filled with board) 0 In addition to plastic Outside the plywood, there is a sealed book consisting of large-sized chips I 袈 1 paste board (Waferb ard), and an elongated chip (wire) oriented in a certain direction 1 1 orientation wire board (0SB 0 Γ ientedst Γ an d bo ard) 0 and 9 1 | Molded products of lignocellulose as wood fibers are spotted as insulation boards Λ rag hard fiber board 1 • Order or medium density maintenance board (MDF) > In addition * to Inorganic materials are used as main raw materials. I molded products are made of stone wool (Γ ock W 0 ο 1) or white sand (sh ir as u) 1 1. These boards are used as flooring materials Λ wall materials, doors Material Λ 1 1 Sound insulation material Λ Thermal insulation material Λ Cushion (mat C or e) Material Λ Furniture element 1 Λ Car main material etc. 0 1 About used for molding plywood gluing board, 0SB, insulation board, hard-wound dimension 1 1 I plate Λ MDF, via molding Rice bran board made of rice bran > Cicada board made from 1 moulded sorghum rod Λ 1 inorganic board made of 4M6 Μ-free material as the original branch etc. (hereinafter these boards are called " The adhesive of the board "') has been widely used so far | thermosetting urea resin Λ melamine resin > urea trimer 1 I fluoroamine resin Λ melamine-urea resin phenol resin, phenol-trimethane resin 1 1 1 Λ — * Polymelamine-phenol resin, etc. (hereinafter these adhesives are referred to as factory formaldehyde 1 1-based adhesives J) > Formaldehyde-based adhesives have low cost, excellent adhesion and 1 1 paper scale Chengzhou China 阄House standard 彳 (('NS) Λ4 specifications (2 丨 0X 297 mm)

Touch to the pad. According to the JIS standard, the thus-prepared plate was measured for its maximum flexural strength in the normal state. [Preparation conditions of the board] Set thickness: 20 mm Set density: 0.40 Water content of felt ♦ · 8.0¾ Pre-pressing pressure: 25 kgf / cm² Pre-pressing temperature: 80t: Pressing pressure: open Pressing temperature: 160 T! Pressing time: 20 minutes [Properties of EP-3033] Number of functional groups: 4 Molecular weight: about 6,600 0ΗΜ: 34 Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs (please read the note on the back first) Please fill in this page again) (-CH2CHz-0-) Structure content: 145K Example 6 [Preparation of the board] The steaming disc refining operation is used to make the wood chips of the coniferous and broad M tree (5/5) mixture thin Opening processing. The fiber thus prepared was charged into an MDF manufacturing facility, and a low molecular weight polyethylene (a product manufactured by Nippon Seiro Co., Ltd.) manufactured as in Preparation Example 2 was applied using an air sprayer M100: 0.5 weight ratio. Name "WE ISSEN-0453"). In addition, using airless spray guns, Ml, 250 parts by weight (dry) of the raw paper is applied to the Chinese paper standard (CNS) A4 specification (210 X 297 mm) -30-Correction page A7 B7 t Printed by the Consumer Electronics Co., Ltd., only two of the consumer cooperatives. 5. Description of the invention 2) 1 1 Features that can be solidified in a short period of time 欺 / ** ν and white formaldehyde-based adhesive 1 1 product made by hot pressing molding The amount of formalin released in the process needs to be reduced 1 1 step by step. 0 The countermeasures to reduce the amount of formalin released are so far / --- \ Please first use the method of reducing the amount of formaldehyde in formaldehyde-based adhesives (reducing Formaldehyde (1 Mole ratio of formaldehyde to phenol, melamine or urea in back-based adhesives), and ιδδ Note 1 Method of adding formaldehyde trapping agent (removing agent) when preparing formaldehyde-based adhesives 0 Meaning 1 item 1 And it has been proposed to use non-formaldehyde-based adhesives (e.g., isocyanate-based adhesives) >% 1 m of this page and use it as a hot press molding board S_ ^ 1 1 In the case of hot press horizontal molding with adhesive, because of its excellent adhesion 1 I good, the adhesive will adhere to the surface of the hot press (press table) (metal) 0 1 1 Ordering results will take a lot of labor on § Hot plate Removal of attached materials 〇1 To improve the mold release properties of release metals, a 1 1 organic polyisocyanate additive (this additive is called "internal mold release agent 1 1 J") was researched t & gt For example, it has been proposed that phosphoric acid or alkyl pyrophosphate sulfonated compound I, butterfly and liquid ester, aliphatic carboxylic acid, Λ 裼 coal extract (m on ta η wa X) and / or 1 L Brazil palm wax etc. m Polyisocyanate Additives 0 This In addition, in this application, 1 1 has proposed that metal soaps of fatty acids are effective release agents for urethane compounds! * 1 agent 〇1 and another method has been proposed before the hot strip pressing I »release agent A method for directly coating the surface of a hot press (press table) (this 1 1 I mold release agent is referred to as a mold release agent J outside the factory). For example, there is a method and use of a 1 1 剌 release layer using gold tincture soap. Method for polysiloxane film with functional group. 1 1 chuan V, but still need a kind of physical properties better than those obtained by the method described above, and 1 1 paper standard house mark 彳 ((’NS) Λ4 specifications (2 丨 0X 297 mm> -5-

The Ministry of Economic Affairs ’Central Consumer Bureau ’s consumer cooperative ’s seal is 100 parts by weight of polymer MDI (trade name“ Cosmonate M-200j ”manufactured by Mitsui Chemicals Co., Ltd.). Thereafter, it will be dried until it is water. The S content is about 12¾, and it is weighed. The M plate has a set density after molding, and is then uniformly formed on a backing plate (made of iron) to have a size of 30 cm x 30 cm. On the formed plate Cover the backing plate with the same formula, and make this combination hot-pressed under the conditions described below. As a result, the mold release is very good * and even after 50 consecutive preparations, no adhesion was observed at all To the backing plate. According to JIS standards, the thus-prepared plate was measured for bending strength in a normal state. [Preparation conditions of the plate] Set thickness: 12 mm Set density: 0.72 Water in felt sheet contains Dong • about 12 × hot press temperature : 1 8 0 ° C Pressing pressure: 30 kgf / cm² Pressing time: 3 minutes and 30 seconds Comparative Example 1 [Preparation of the board] 1,43 0 g of sawdust-like fine wood chips (water containing fi : About 0.0¾) into a mixing mill with a stirring slurry 10 g of powder of low molecular weight polyethylene (trade name "WEISSEH-0252C" manufactured by Nippon Seiro Co., Ltd.) was mixed therewith. Thereafter, 100 g of polymerized MDI (trade name "Cosmonate M-2 00j" manufactured by Mitsui Chemicals Co., Ltd.) was blown onto the chips using a sprayer in the blended concrete. The chips were taken out and weighed, and K was used for molding. This paper size applies to China National Standard (CNS) A4 specification (210X297 mm) = ~ 31 ~-Correction page (please read the precautions on the back before filling this page). Τ A7 B7 ^ Printed by Consumer Cooperatives 5. Description of Invention 3) 1 1 Adhesives can be used for a long period of time. 1 1 I Summary of the invention 1 Introduction 1 I The inventor has requested that lignocellulose or inorganic materials suitable for the production of K be the main application. 1 The adhesive composition of the hot-pressed molding plate composed of the material is read extensively and densely. I researched the result. 1 It was found that the adhesive composition contains at least two isocyanates. Note 1 I means 1 Compounds of I or its reaction products and Molecular weight polyethylene is a basic ingredient. 1 I 1 part is an effective method and thus completed the present invention. It was found that the method of manufacturing a wood compression molding plate composed of cellulose or inorganic material as the main raw material is used as a method sheet. In 's-ο · 1 I, when using low molecular weight polyethylene as the release agent 1 1 component used in the adhesive, a permanent good release 1 1 from the surface of the hot press (press table) can be obtained and thus completed The present invention 〇1 In other words, the present invention is to provide 1 (1) to (24) 1 I (1)--a kind of adhesive composition including 1 1 | (A) a compound having at least two isocyanate groups or Its reaction product 1 1 (B) low molecular weight polyethylene and 1 (C) water 3 1 ί (2) The adhesive composition as described in item (1), which has at least two iso 1 L cyanate groups -inr compound or The weight ratio of the reaction product (A) to the low-molecular-weight polyethylene Γ 1 (B) is from 1: 0.001 to 1: 1 5 1 1 (3) as described in item (1) or (2) Adhesive composition: Among them, the low molecular weight 1 polyethylene (B) was measured by gel permeation chromatography (G PC) with a single-segment polystyrene 1 Iene as the standard. 5 0 0 to 7,000 0 1 I (4) The adhesive composition as described in item (1) or (2), wherein the low molecular 1 1 I amount of polyethylene (B) is subjected to gel permeation chromatography K One-point defeat of polystyrene is 1 1 paper size ii "State China El House Standards (('NS) Λ4 size (210 X 297 mm) 6 Supplement A7 B7 Printed by the Consumer Cooperatives of the Central Bureau of the Ministry of Economic Affairs Fifth, the invention description 29) After 1 1 has a set density f, and then form a sentence on the pad (made of starving) so that 1 1 has a size of 30 cm x 30 cm 0 and cover the formed board with 1 1 A pad with the same formula, and keep this combination in mind Under the following conditions / > -V Please 1 I first hot press and press ○ Results * due to inadequate solidification f does not make the board horizontal 0 due to reading 1 back 1 This f has not been evaluated. Zhi'1 Note 1 [Preparation conditions of the board] Note 1 item | Set thickness ♦ 15 mm and fill f Set density 0. 76 Write this page '写 1 Water content of felt sheet 0. 0¾ S_✓ 1 I Hot press Temperature «* 180 t: 1 I pressurization pressure« 30 kgf / cm² 1 1 Order pressurization time 3 minutes and 30 seconds 1 Comparative Example 2 1 1 [Preparation of plate] 1 | Refining operation using steam pressure plate Concentrate and separate the sawdust from a mixture of coniferous and broad-leaved trees (5/5). Use a so-called factory blow pipe media J Ί Use a high-pressure pump to count 1, 250 parts by weight (dry) of raw fiber as 100 parts Aggregate MD I with a total weight of 1 1 5 (trade name factory 1 1 Co s η ο η ate M- 200 j manufactured by Mitsui Chemicals, Inc.) is under pressure After adding 0, the fiber was dried until the water content of 1 I became about 12¾. • Weighed _ K to cause the plate to have a set density of 1 I degree 9 after molding, and then uniformly shape on the backing plate (made of 铩) so that It has a size of 30 cm X 1 1 and a size of 30 cm. On the formed plate, it is covered with 1 1 with the same formula. 1 The backing plate 9 and the combination is hot-pressed under the conditions described below. 0 Results 1 1 Results 9 Ban Ming was attached to the backing board. Therefore, no evaluation of the board was performed. 0 1 1 This paper size is in accordance with the Chinese national standard (CNS> A4 specification (210 × 297 mm). 32 A revised page. Consumption cooperation shirt 5 ;, A7 B7 V. Description of the invention (4) The number-average molecular weight (M N) measured by the standard is from 1, 000 to 6, 0 0. (5) The adhesive composition as described in the item (1) or (2), wherein the weight average molecular weight (MW) versus the number average molecular weight (MW) of the low molecular weight polyethylene (B) measured by gel permeation chromatography ( The ratio of MN) is from 1.2 to 3.0. (6) The adhesive composition as described in the item (1) or (2), wherein the low molecular weight polyethylene (B) has a weight average molecular weight (MW) versus a number average molecular weight measured by gel permeation chromatography (MN) ratio is from 1.5 to 3.0. (7) The adhesive composition as described in the item (1) or (2), wherein the low molecular weight polyethylene (B) has a branched structure. (8) The adhesive composition as described in the item (1) or (2), wherein the low molecular weight polyethylene (B) has a density from 0.800 to 0.980. (9) The adhesive composition as described in the item (8), wherein the low molecular weight polyethylene (B) has a density from 0.800 to 0.925. (10) The adhesive composition as described in the item (8), wherein the low molecular weight polyethylene (B) has a functional group selected from the group consisting of -OH, -C00H, and -CH0, and has a density exceeding 0.940. (11) The adhesive composition as described in the item (1) or (2), wherein the low molecular weight polyethylene (B) has a temperature measured from a differential scanning calorimeter (DSC) from 30 ° C to 12 Endothermic peak at 0 ° C. (1 2) The adhesive composition as described in the item (1) or (2), wherein the low molecular weight polyethylene (B) has a temperature measured from a differential scanning calorimeter (DSC) from 40 ° C to 10 0 f endothermic peak. (1 3) The adhesive composition as described in item (1) or (2) | wherein the low molecular weight polyethylene (B) has a paper size suitable for each 100 carbon atoms of the low molecular weight polyethylene (B) Chuanzhong ϋΚ 家 rNS) Λ4 specification (210X 297 mm) (Please read the precautions on the back before filling this page) --- Pack.

1T A7 B7 5. Description of the invention (5) There are at least three methyl carbon atoms. (1 4) The adhesive composition as described in the item (1) or (2), wherein the low molecular weight polyethylene (B) has at least four per 100 carbon atoms of the low molecular weight polyethylene (B) Methyl carbon atoms. (1 5) The adhesive composition as described in the item (1) or (2), wherein the low molecular weight polyethylene (B) is used as an aqueous emulsion or suspension containing water (C) as a dispersion medium. (16) The adhesive composition as described in item (15), wherein the aqueous emulsion or suspension containing low molecular weight polyethylene (B) in which water (C) is a dispersion medium has an average particle size from 100 to 10,000 nm . (17) The adhesive composition as described in item (1) or (2), wherein the compound having at least two isocyanate groups or a reaction product thereof (A) includes (D) having from 80 to 99% by weight ( -CHjCH2-0-) The reaction product of a monofunctional alcohol of a repeating unit and a compound having at least two isocyanate groups. (1 8) The adhesive composition as described in the item (1) or (2), wherein the compound having at least two isocyanate groups or a reaction product thereof (A) has a structure of its own by using (E) 5 to 70 weight percent of (-CH2CH2-O-) repeating units of bifunctional to octafunctional polyols are emulsified / dispersed in water. (1 9) The adhesive composition as described in item (1 8), wherein the compound having at least two isocyanate groups or a reaction product thereof <A), low molecular weight polyethylene (B), water (C) and polyenzyme (E) are formed into an aqueous emulsion, dispersion, and used by an in-line mixer. (2 0) The adhesive composition as described in (1) to (1 7 &gt;), wherein the compound having at least two isoromylate groups or a reaction product thereof (A) is a paper ruler廋 NEA China 3 Standards (('NS) Λ4 Specification (210 × 297 mm) _--(Please read the precautions on the back before filling out this page) Binding Central Bureau of Standards, Ministry of Economic Affairs β-τ · Consumer Cooperative Yinlai A7 B7 V. Description of the invention (6) Polymethylene polyphenylene diisocyanate (Polymerized MDI) (21) — A method for manufacturing boards using lignocellulose-based materials and adhesives, where this bonding The agent is the adhesive composition as described in any one of items (1) to (20). (22) —A method for manufacturing a board using an inorganic material and an adhesive, wherein the adhesive is as described in (1) to (20) The adhesive composition described in any one of the items. (23) — A plate prepared by the method described in the item (21). (24) — A use as described in the item (22) A plate made by the illustrated method. Brief Description of the Drawings Figure 1 shows the low molecular weight polyethylene (Mitsui Chemica) used in the present invention. DSC chart (spectrum 1) of the brand name "Mitsui Hiwax 220P" manufactured by Iss, Inc.). Figure 2 shows the low molecular weight polyethylene used in the present invention (trade name "Mitsui Hiwax 220P" manufactured by Mitsui Chemicals Corporation). H1-NMR · (spectrum 2). Fig. 3 shows the GPC_ (spectrum of "WEISSEN-0453" manufactured by Se iro Co., Ltd.) used in the low molecular weight polyethylene of the present invention. 3 Puhua 4 is a DSC chart (spectrum 4) of the low molecular weight polyethylene (N i ρ ρ ο n Se γ ο ο. Co., Ltd.'s trade name "WEISSEN-0453") used in the present invention. (Figure 4) The l1-NMR chart (spectrum 5) of the low molecular weight polyethylene U i ρ ρ ο n S eir 〇Co., Ltd. used in the present invention (spectrum 5). This paper is a standard of Sichuan China 1¾Family standard 彳 (('NS) Λ4 specification (2 丨 0 X 297mm) _ q _ Μ-. Binding (please read the precautions on the back before writing this page) A7 B7 V. Description of the invention (7) FIG. 6 is a DSC chart (spectrum 6) of the low molecular weight polyethylene (trade name “Mitsui Hiwax 4202E” manufactured by Mitsui Chemicals Corporation) used in the present invention.

I FIG. 7 is a GPC chart of a low molecular weight polyethylene shop (trade name “WEISSEH-0252C” manufactured by Nippon Seiro Co ,, Ltd.) (Guangjin 7). Fig. 8 is a DSC chart (spectrum 8) of low molecular weight polyethylene (trade name "WEISSEN-0252C" manufactured by Nippon Seiro Co., Ltd.). Fig. 9 is a H1-NMR chart (spectrum 9) of a low molecular weight polyethylene glycol (trade name "WEISSEN-0252C" manufactured by Nippon Seiro Co., Ltd.). Detailed Description of the Invention The components constituting the adhesive composition of the present invention will be described in detail below. In the components of the adhesive composition of the present invention, a compound having at least two isocyanate groups ffl or a reaction product (A) thereof (hereinafter referred to as "a compound (A) j having at least two isocyanate groups)" is a substantial adhesion. Agent component, and low molecular weight polyethylene (B) is a substantial release agent component. In addition, water (C) is an active hydrogen-containing compound required to fix a compound (A) having at least two isocyanate groups. Furthermore, The monofunctional alcohol (D) is a co-rib component that emulsifies / disperses a compound (A) having at least two isofluorate groups, and the polyenzyme (E) is not only a compound having at least two isocyanate groups ( A) Auxiliary ingredients that are emulsified / dispersed in water, and can improve the crosslink density, thus have physical properties of ribs on the board.) Any compound having at least two isocyanate groups can be used as the compound having at least two isocyanate groups in the present invention. Compounds (A) with two isocyanate groups, and organic isocyanate compounds are generally used. Compounds having multiple isocyanate compounds can also be used. The size of this paper is China's 榡 家 榡 Monument (('NS) Λ4 size (210X 297mm), Λ (Please read the precautions on the back before filling out this page) * 1Τ A7 B7 Via the shoulders and central pillows Ur -Consumption cooperation &quot; Ink $ 5. Description of the invention 8) 1 1 1 The isocyanate compounds may be the same or different from each other. Specific examples of compounds (A) having at least two isocyanate groups that can be used in the present invention 1 1 I Including 1 1 I aromatic isomethyl ester or polyisocyanate, such as diphenylmethane diisocyanate, please first 1 | | M | (MD I) polymethylene polyisofluoro phenyl ester (polymerized MD I toluene) Diisofluoric acid reading back | facial vinegar (TDI) and naphthalene diisofluoroesters aliphatic isofluorates or polyisocyanates 1 I k 1 1 such as methylene diisocyanate SS (HD I) and lysine Methyl esters diisocyanate ίΒ f I ^ 1 esters and alicyclic isocyanates or polyisocyanates such as hydrogenated phenyl Methane diisocyanate, cyanate ester, isocyanurate, diisocyanate, d Normethene diisomyrate, and page 'W 1 hydrogenated toluene diisocyanate. Among them, the toxicity and cost of From a viewpoint * 1 1 Polymerized MD I is preferred * 1 1 About the low molecular weight polyethylene (B) used in the present invention has a branch structure 1 The 1 I structure is preferred. Examples of factors showing the degree of branching include Density Λ The number of methyl groups (-CH 9) in the molecular structure is large and the melting point is closely related to each other. 1 1 aft Although the density of bran at 25 ° C is not limited, it is generally 1! 0.8 0 to 0. 980 and preferably 0. 850 to 0.9 5. When the density is within the above 1 ..-. * Definition range, a good release effect can be obtained. Polyethylene without functional groups such as 1 1 -OH, -C00H, and -CH0 when polyethylene has a density of S 0.8 to 0.9 2 5 at 25 1 ac is preferably used at 25 ° C The following Γ 1 | polyethylene with a density exceeding 0.940 is used in the molecule with an official 1 energy group such as -0H V — C00H Λ and -CH0 polyethylene is better 0 1 will use differential scanning calorimeter (DSC) Measured end of the endothermic peak 1 | When defined as the melting point Low-molecular-weight polyethylene (B) has a melting point of 3 0 1C to 1 I 1 2 0 ° C is preferred and 4 0 C to 1 10 f is more preferred 0 When the melting point is within the range of the above definition 1 1 1 y can get a good off-horizon effect 0 1 1 This paper size is; 丨 1 Chinese storehouse standard 彳 (('NS) Λ4 size (2 OX 297) C) A7 B7 printed by the Central Ministry of Economic Affairs and the Women's Workers' Cooperatives V. Description of the Invention (9) The number of methyl groups in the molecular structure can be determined by H1-NMR, and every 100 in low molecular weight polyethylene (B)涸 Carbon atom has at least 2 methyl groups j is better, at least 3 is better * and at least 4 is best. When the number of methyl groups per 100 carbon atoms in the low molecular weight polyethylene (B) is at least 2, a sufficient release effect can be obtained. As measured by gel permeation chromatography (GPC), low molecular weight polyethylene (B) K monodisperse polystyrene is standard * having a number average molecular weight (MN) from 500 to 7,000, and preferably K from 1,000 to 6,000 When the number average molecular weight (MH) is within the range defined above, a better release effect can be obtained. Weight average molecular weight (MW) versus number average molecular weight measured by gel permeation chromatography (GPC) The ratio of (MN) (MW / MN) is preferably 1.2 to 3.0, and more preferably 1.5 to 3.0. When the MW / MN ratio is within the range defined above, a better separation can be obtained. Mold effect. If the low-molecular fluorene polyethylene (B) has physical properties defined on M, there are no special restrictions on the manufacturing method, etc. For example, direct polymerization or copolymerization of ethylene and other a-olefins can be used. High-molecular-weight polyethylene or high-molecular-weight polyethylene produced by thermal decomposition The polyethylene and the stone obtained by the copolymer are not particularly limited. The appropriate weight ratio of the low-molecular-weight polyethylene (B) to the chemically-containing content having at least two isocyanate groups is from 1: 0. 0 0 1 to 1: 1. If the weight ratio of the low molecular weight polyethylene (B) to the compound having at least two isocyanate groups is less than 1: 1 to 0.01, it is difficult to obtain a sufficient release effect. Regarding the method of using the low molecular weight polyethylene (B) according to the present invention, there are no particular restrictions on the method and shape, as long as it exists on the board and the backing plate ) Λ4 specification (210 X 297 mm). (Please read the notes on the back before filling this page)

Order 4ΪΙ 1—II A7 B7 Printed by the Consumers' Cooperatives of the Lost Standards Bureau of the Ministry of Economic Affairs 5. Description of the invention (10) 1 1 I and hot-pressed USSk Μ surface (press table)). For example, low molecular weight poly 1 1 | ethylene (B) can be directly coated on the surface of the backing plate (and the surface of the hot press I (press table)), or «-—S 1 I can be mixed with raw components (for example, separately For chipping in the case of plywood, please read 1J »I in the fiberboard, such as MDF fiber; strands in the 0S Β case, and inorganic powder in the case of the back 1 \ inorganic board). Low molecular weight polyethylene (B) in the case of wood-based 1 I 1 1 plain boards can be mixed before drying the components, or in the case of MDF can be Γ I re / 1 in a blender or blow line simultaneously Mixing into the adhesive group filling f. Maben formulation 0 Usually, it is properly mixed into the adhesive composition. Page __ 1 | In order to obtain a sustained release effect, use water as the dispersion medium, and form a low fraction of 1 1 polyethylene (B) in an aqueous emulsion and dispersion, and use it as a '1 1 internal release The particle size of the preferred agent and the aqueous emulsion · dispersion is from 100 to 1-110,000. The nanometer is preferred. The particle size is measured by laser beam scattering type particle size 1 I equipped with CSC7 straight measurement 0 clear measurement system A Coulter counter model N 4 manufactured by Coulter Corporation (Co. 1 ter 1 1 I In C.) was used. The measurement is performed by the conventional formula 1 1 Formula 1 One of aqueous emulsions and dispersions of low molecular weight polyethylene (B) 1 Some liquids' • λ * 涧 are placed in a measuring dish and the emulsion concentration falls within the appropriate range of the device 1 1- Measurement of internal content 0 1 L Mixing an aqueous emulsion dispersion in an adhesive composition and using a mixture Γ 1 system is a simple way. 1 1 Using low molecular weight polyethylene (B) as the internal release In the case, 1 As 1—low-molecular-weight poly2 * ene (because the amount of m is insufficient, it is moved to the surface of the backing plate (and the surface of the hot press) of the platen) (1) Ethylene (B) is melted and coated on the surface of the backing plate (and the surface of the hot press (press table)). 1 1 | Better 0 1 1 This paper is a standard 14 state China S house standard 彳 (('NS) Λ4 specification ( 2! 0X 297 mm) A7 B7 Printed by the Ministry of Economic Affairs and the Ministry of Standards of the People's Republic of China, the Bureau of Military Industries and Consumers Cooperatives. 5. Description of the Invention (11) 1 1 ) Method of breaking down / emulsifying in water 1 1 I Applicable 1 General method of manufacturing wax emulsions 0 For example, after melting low molecular weight polyethylene 1 1 I ene (B), molten polyethylene (B) can be added to Emulsifier / divide 1 and disperse it in water and mix to achieve emulsification * Dispersion 0 or Emulsification Read 1 I f I Dispersion can be performed mechanically using a grinder such as a ball mill M. Emulsion 1 can be used as usual Dispersant // Dispersant as matters that can be used in this case Re / Complete 1 Emulsifier dispersant 0 Specific examples include anionic surfactants such as fatty acid soaps> Rosin soaps Λ alkyl sulfonate Λ alkylbenzene sulfonate Acid ester Λ disulfonated aromatic writing page containing 1 sulfonic acid esters &gt; sulfonic acid succinate esters, polyoxyethylene ethoxylates &gt; 1 1 and polyoxyethyl alkanearylsulfates Non-ionic surfactants such as poly-1 oxyethylene ethyl ether Λ polyoxyethyl aryl ether Λ polyoxyethylene dehydration-1 sorbitan fatty acid ester, and oxyethylene propylene The base block copolymers 0 and 1 I 9 should not be interpreted as being limited by these emulsifiers. These surface active agents 1 1 can be used alone or as a blend on both M and 0. 1 1 The water (C) used in the present invention may be pre-existed in the material element of the board (ie wood 1-cellulose or inorganic powder) 1 using water (C) as having at least two different 1 M cyanate groups The compound (A) or the low molecular weight polyethylene (B) is preferably emulsified / dispersed. 1 The water is preferably 0. Therefore, the amount of water (C) used is sufficient to make the compound U having at least two isomerate groups. Examples of fixed 1 monofunctional alcohols (D) used in the present invention include ethylene oxide starting from alcohols such as methanol 1 Additive polymer of oxypropane 0 The repeating unit of ethylene oxide (-CH 2 CH 2-0-) in monofunctional alcohol 1 I (D) to account for 80 to 9 9 weight 1 1 I although Better percentages * and S 90 to 98 weight percents are better 0 Emulsifying properties from the reaction of a compound having at least 1 1 two isorhamnetate groups with a monofunctional alcohol (D) 1 1 Wood paper scale 1 Standard (rNS) A4 specification (2 丨 0X 297 mm) In the Ministry of Consumer Affairs, the standard is printed by the Bureau of Industrial and Commercial Cooperatives 5 :, A7 B7 5. From the point of view of the invention (12) * The amount is preferably at least 80% by weight. On the other hand, from the standpoint of stability of the reaction product, the amount of repeating units

I is preferably at most 99 weight percent. In addition, the monofunctional enzyme (D) preferably has a molecular weight of 200 to 2,000. If the molecular weight of monofunctional enzyme (D) is above 200 K, the emulsification performance is excellent. On the other hand, from the viewpoint of compatibility with MD I, it is preferable that the molecular weight of the monofunctional alcohol (D) is 2,000. In the case where the compound (A) having at least two isofluoroester groups contains a monofunctional alcohol (D), the content of (D) in U) is preferably 0.5 to 10 weight percent, and 2 to 5 weight The percentage is better. From the viewpoint of emulsification properties made of a reaction product with a compound having at least one isofluoroester group, the content of (D) used is preferably at least 0.5% by weight; and from the viewpoint of waterproof strength In view of this, the content of (D) is preferably at most 10% by weight. Regarding the polyol (E) used in the present invention, various polyvalent enzymes may be used alone, or two or more of them may be used in combination. Specific examples thereof include individual polyhydric alcohols such as propylene glycol, ethylene glycol, glycerol, isopentaerythritol, trimethylolpropane, sorbitol, polypropylene glycol, diethylene glycol, polyethylene glycol, succinate , Triethanolamine, hexanetriol, granulated sugar, and polyvinyl alcohol; polyethers obtained by addition polymerization of these polyhydric alcohols with alkylene oxides such as ethylene oxide, propylene oxide, and butylene oxide A polyol; a polyether polyol obtained by the addition polymerization of an amine such as ethylenediamine and o-toluenediamine with an alkylene oxide such as ethylene oxide, propylene oxide, and butylene oxide; and Polyhydroxy enzymes and aliphatic saturated fatty acids such as adipic acid, pimelic acid, sebacic acid, and azelaic acid, unsaturated fatty acids such as maleic acid, decomposing ornithic acid, and fumaric acid, or Aromatic fatty acids such as citric acid and terephthalic acid, or their individual paper sizes (Zhouzhou MS MS) (('NS) Λ4 size (210X 297 mm) _ ι π _ (Please read the note on the back first Please fill in this page for more information) --- Install --- 、 1Τ A7 B7 is labeled by the Ministry of Iodine, WJ'Consumer Cooperation ^ 印 * ' 1 Table 5. Description of the invention (I3) 1 i I Anhydride or blend of polyester polyol prepared by inverting nta 〇 〇 1 1 1 Can be used alone | M or the blend on both M can be used as a multiple Yeast (E) 1 I Polyol M has a value of 0 from S 20 to 900 is better &gt; If the value of 0 is less than 20, please read ik back 1 I The board produced by I may lack flexibility. Another For example, if the 0 超过 value exceeds 900 1 1, the reaction with the isofluoroester may proceed excessively. Therefore, the polyol Γ 1 means 1 L of 0, and the value of 2 is from 0 to 9 0 0 is preferred and 25 to 600 is more preferred. 0 From the point of operation and cost Γ Further, from a viewpoint of using polyhydric alcohols such as propylene glycol via addition polymerization &gt; ethylene-alcohol filling 本 glycerol Λ and isoprene tetraol and alkylene oxides such as ethylene oxide Λ Propylene oxide page &gt; W &lt; · 1 I and butylene oxide Polyols are preferred. 0 1 1 In the use of amines such as ethylenediamine and fluorene via addition polymerization as starting materials, 1 1 toluenediamine and alkylene oxides such as ethylene oxide, propylene oxide ΛΛ and ring Oxybutene-1 Polyols obtained by ordering hospitals can reduce the pressurization time because the polyols contain a third amine organic 1 I polyisocyanate, which can shorten the pressurization time. 0 1 1 1 The isofluorate group is passivated to an appropriate degree. The adhesion to gold tincture due to 1 1 is reduced, which can reduce the amount of mold release agent 0 1. In the compound (A) having at least two isofluorate groups And polyol (E) in the molar ratio (NC0 / 0H) of 19 isocyanate groups (-NC 0) to hydroxyl groups (-0Η) is 2 1 to 6 0, 0 0 0 preferably 0. From the viewpoint of physical strength (i.e. 1 1 Core material layer part 1 1 points peeling »or ± 03 HU for preventing foaming) NC0 / 0H Mo / ear ratio is at least 2 is preferred 1 0 On the other hand 1 Good emulsion is obtained • Dispersion properties and increase From the standpoint of cross-linking 1 1 density, 9 NC 0/0 Η Molar ratio is at most 60, 0 0 0 is better 〇 1 INC 0/0 莫 Molar ratio is more preferably 5 Μ 5 0, 000, and (5 To 40, 0 0 0 best 0 1 1 1 The number of functional groups of the polyhydric alcohol is 2 to 8 preferably 0. When using multiple functional 1 1 paper rule Aiij Chuan China Wai Jia Dong Ling (('NS) 8 4 Specification (2 丨 〇〆297 公 漦) 16 A7 B7 Central Standards Bureau of the Ministry of Economic Affairs β-χ 消 贽 合 竹 社 印 ％ V. Description of the invention (14) 1 1 | When the base alcohol t may be the crosslink density It is possible to increase the strength of 1 1 I to the board. In order to improve the emulsification properties of the compound 1 I (A) having at least two isocyanate groups and to increase the strength of the board, the number of functional groups of the polyol is 2 first. Read Read back 1 J 1 to S is better, and 3 to 6 is better &gt; 1 j face I Attention to the repeating unit in the structure used in the polyenzyme (E) of the present invention 1 I (-CH 2ch2 -0 -) It is better to contain 5 to 70% by weight of the polyol (E) in an amount of 1 t. From the viewpoint of emulsification performance, the repeating unit is 4 f% of the present (-CH 2CH 2 -0-) M polyenzyme (E) The amount by weight is at least 5 weight percent. 1 1 is better 9 and from the viewpoint of compatibility with polyisocyanate, it is preferably 1 to 70. Examples of the lignocellulosic substrates in the present invention include the use of a 1 plywood plywood 0SB (oriented wire board) 'baffle board or LSL (laminated wire wood 1 I wood (1 am in at ed S t Γ) an d 1 u mb er)) It can be used in hard fiber board Λ MDF or insulation board. 1 1 Fiber and agricultural products such as sorghum stalk bagasse and rice bran. These raw materials 1 can be used alone or in combination with them. 0 1 Used in the present invention. Examples of m-free materials include porous pearl UI or vermiculite perlite obsidian vermiculite, or white sand obtained through thermal expansion LLJ 娀 and 1 L 1 I, and expanded white sand alumina fly ash Λ silica sand 页 or shale as 3 hollow glass balloons or white sand balloons obtained from the starting materials. 0 For the preparation of lightweight molds. 1. Plastic products containing l »lft-free foam particles with a bulk density of at most 0.3 g / litre. In order to improve the adhesion to the adhesive, m-free foam * &gt; 1 I can be used for surface treatment with a hexadecane coupling agent, etc. a 1 1 | Or Μ Μ "machine-to-material ratio -V ratio 1 1 1 17-this paper size Quzhou China® House Standard (('NS) Λ4 size (2 丨 〇 × 297 mm) A7 B7 Central Standard of the Ministry of Economic Affairs 扃 T, Consumption cooperative Yin Fei V. Description of the invention (15) 1 1 1 f The ratio of the compound (A) having at least two isocyanate groups to the lignocellulose-based 1 1 | material or j inorganic material is 1: 100 to 30: 100 Within the range of weight ratio 1 I &gt; and M e 2 * 1 0 0 to 2 0: 1 0 0 are preferred. When there are at least two isocyanates, please read the compound (A) of the I group first. K 100 parts by weight of a lignocellulose-based material or an inorganic readback Notes on the effect as a binder 1 I means 1 I »and when the compound (A) having at least two isofluoroester groups is used M 1 0 0 matters \ I re I weight parts of lignocellulose-based material or The inorganic material is 30% by weight. *? At this time, sufficient physical properties of the board can be obtained. Page 1 I In the present invention, j is forming a compound having at least two isocyanate groups. I (A) Emulsification of low molecular weight polyethylene (B) Λ water (C) and polyenzyme (E) • 1 1 In the case of dispersions 9 Known machines can be used for emulsification or mixing However In the present invention, the following emulsification or mixing machines are used: 1 I, preferably 0 1 1 I The on-line mixer used in the present invention may be a static mixer or a mechanical mixer with a rotor / stator in the pipeline 1 1 In addition, types in which the respective 1 liquids collide and mix with each other can be used. Specific examples include those manufactured by Kenneth 1 (K e η 1 CS) type Kobayashi Corporation (A.P.V * Gau 1 in I nc.) Liquid 1 1 Shearing Η (Η yd Γ 0 shea Γ) Static V 1 | Ram type d im and m and To ku sh υ K ika K 0 gy 〇. , L td · TK 1 holmian mill (TK Η 〇m 〇mi C 1 ine mi 11), and E bara Κ ika ί 1 K. κ · Eb ara Mi Id er 0 , Can use 1 1 high pressure feed m or -v high pressure (expansion) machine for polyurethane or 1 I for polyurethane Use a high-pressure spray coater instead. In addition, 1 1 1 can also be used to expand the low-pressure Wk m device 0. Specific examples include Ma Γ U ka Kak ak κ. K. system 1 1 1 18-this paper scale 垧 川 中国 S 家 榡 彳 ( rNS) Λ4 specifications (2! 〇 × 297 mm) A7 B7 Printed by the Central Standards Bureau of the Ministry of Economic Affairs, M Co., Ltd. Cooperative cooperatives V. Description of the invention (16) 1 1 MEG- HK series t GUSMER I nc. 2000 and Toh 0 1 1 Kika 1 K. K. manufactured by T 〇h 〇A-250〇 However 1 emulsifying or mixing machine 1 1 There are many types, the present invention should not be construed as being limited to the above examples For emulsification, please refer to I and Mixer. In addition, in the case of lignocellulosic fibers using waste chips as raw materials, read 1 1 back. Plain plates 9 such as plywood f. Although m will not have formaldehyde and white adhesive. 1 Note 1 The production of I, but formaldehyde will be discarded as raw materials. In addition, there will be 0 meaning f item 1 in addition, there may be a case where a conventional formaldehyde-based adhesive is used in combination with an adhesive composition according to the present written on this page. Here— &lt;. Conditions can effectively use formaldehyde trapping agent (removing agent) on the surface layer and / or core material of Table 1. 0 1 1 Effective use of any material that can react with formaldehyde as formaldehyde scavenger (removing agent 1) and acid The ammonium salt, alkali metal sulfite, etc. are effective &gt; In addition 1 order »Among these materials, the preferred one is urea Λ formamidine melamine Amine Λ and ammonia 1 I f each have an amine group. 0 1 1 Addition method A formaldehyde trapping agent (removing agent) may be present in the board during manufacturing 1 1 and may also be added to the adhesive composition. Add 1 formaldehyde trapping agent (removing agent) to the material element before drying or add it to the material element in a mixture of i »jfe m. 1 1 As long as the desired effect is not inhibited, The compound (A) of the present invention having at least two isomester groups, and an ultraviolet light absorber, an antioxidant 11b, a plasticizer, a silicon coupling agent, a metal catalyst &gt; synthetic or synthetic rubber I Latex, acrylic emulsion, vinyl acetate emulsion, polyvinyl alcohol Λ anti 1 I water agent Λ defoamer, etc. Used in combination 0 0 1 Low molecular weight polyethylene (B) can be used with at least--one will not inhibit mold release Effect 1 1 The conventional release component Combined use 1 such as celestial shape / «« V 11, metal soap organic 1 1 paper size RIPiJ House Standard 适 (CNS) 适 4 size (210X 297 mm) of the Central Bureau of Ministry of Economic Affairs Printed A7 B7 5. Description of the invention (17) Polysiloxane compound, phosphorus-based compound, and fluorocarbon compound. The present invention will be described in detail with reference to Preparation Examples, Examples and Comparative Examples under M. The contents are shown in Table 1. In these examples, all ratios and percentages are by weight unless otherwise specified. The present invention should not be construed as being limited to these preparation examples and examples. The meanings of the terms used in the examples and Table 1 are as follows. Ratio: The composition ratio of the non-volatile matter based on the finished board. The original family type of the board: The name of the raw material used to make the board. The water content of the raw material of the board (! "): The water content of the original branch of the dry basis before the board was manufactured. Releasability · ‘Releasability from the pad after the board is manufactured. Physical properties of the board: Modulus of rupture (MOR): According to JIS-5905, JIS-5908, etc., the bending strength is measured in the normal state. Density: Measure the density at 21 ° and 65SRH. Production Example 1 The properties of 300 g of low molecular weight polyethylene ("M'itsui Hiwax 220P" manufactured by Mitsui Chemicals Co., Ltd.) are described below. The DSC chart and the Η-NMR chart are shown in Figures 1 and 2 respectively. ) Put into a 1 liter flask and heat in an oil bath at Η 5 ° C to melt it. In addition, 6 8 5 grams of distilled water was filled into a 1 liter plastic #? Cup and heated at 9 5 aC, and 15 grams of alkyl sulfate was added. This paper is a standard of the state of China (rNS) Λ4 (210X) 297 mm) _-^^ 1 i ^ —1 UK nn * ———— 111— ^^^ 1 dm ml— n-J fm In— I ./1 (Please read the notes on the back before filling in this Page) A7 B7 The Ministry of Economic Affairs and the Ministry of Economic Affairs, the Ministry of Economic Affairs and the People's Republic of China's loan-consumer cooperation ^ Yin Lai V. Description of the invention (18) 1 1 Na (K a 〇C 0 Γ ρ 〇rat ί on the brand name factory E ma 1 10 j ) And dissolve 1 in 1 1 under stirring, and then stir and melt the "M 1 t SU ί Hi va XJ 1 1 1 9" aqueous solution Μ 20 ml using a metering pump while stirring. Please add to the bottle at a rate of 1 / minute. After "Em a 1 1 0 j aqueous solution is added &gt; read back 1 and let the emulsion gradually cool 9 to get" Mitsui Η iwax 220Pj water-based milk | Idea 1 1 Agent * Dispersion〇 Utilization Pulverizer (T okush υ Κ ί ka K 〇gy 〇C 0. »Matter I Item I Ltd, manufactured under the brand name Homo rice mill j) mills the dispersion and refills it to obtain a fine dispersion. 〇 From the results of particle size measurement (using the Coulter Co., Ltd. brand name “Coulter Counter N4 Type J”), it was determined that Fine Dispersion II had an average particle size of 500 nm. Add the dispersion to water-II 9 to have an active ingredient content of 10%, and then provide the test as Example I. Order 0 II Γ L r Μ 1 t SU 1 Η iwa X 2 2 0 P j Properties j II uses gel permeation chromatography (GPC) K monodisperse polystyrene as standard to measure molecular weight II of MN = 2,000 and MW / MN = 2. 5 I measured by differential scanning calorimeter (DSC) outside Melting point obtained: 1 1 0 ° c I f density (at 25 ° C) 0. 92 1 1 V per 100 carbons in the molecule Number of atomic methyl groups: about 4. 8 1 1 Preparation Example 2 1 1 2 00 grams of ί molecular most polyethylene (Nipp on Se Γ * 0 Co ,, Ltd. Manufactured by the trade name factory WE ISSEN 1 -0 453 ”, its properties are described as follows: GPC Figure 1 DSC chart and Η 1 -NHR chart are shown in Figure 3, Figure 4 and Figure 5 respectively) Packed in a 1 liter 1 1 I m bottle» and in an oil bath Heat to melt at 70 υ. In addition, 7 8 5 1 1 g of -V distilled water was charged into a ΐ liter plastic cup, and 15 g of alkyl sulfur 1 1 was added. This paper size is Chengzhou China Valve House Standard 彳 (C'NS) Λ4 specification (2 丨OX 297 mm>

The Ministry of Standards of the Ministry of Finance and Economics only cooperates with τ to eliminate capital cooperation. T-shirt printing V A7 B7 V. Description of the invention (l9) Sodium acid (trade name "Enial 10" manufactured by Kao Corporation) and dissolve it under stirring. Then, while stirring the molten "W E I S S E N-0 4 5 3 i", a metering pump was used to add the "Emal 10" aqueous solution M at a rate of 50 ml / min to the flask. After the addition of the "Emal 10" aqueous solution was completed, the thus-prepared aqueous emulsion / dispersion was pulverized using a pulverizer (trade name "Homomixer" manufactured by Tokushu Kika Kogyo Co., Ltd.) to obtain Finely disperse and then allow to cool. From the results of particle size measurement (using the Coulter Co., Ltd. trade name "Coulter Counter Model N4"), it was determined that the fine dispersion had an average particle size of 5 microns. In addition, the fine dispersion was added to water so that the active ingredient having 20¾ contained children, and was then provided for testing in Examples 5 and 6. In Example 2, the pellets were provided for their acceptance testing before they were dispersed in water. [Properties of "WEISSEN-0453"] Molecular weight measured by gel permeation chromatography (GPC) M monodisperse polystyrene as standard: MN = 3,390, MW = 8,480, MW / MN = 2.50 Use differential scanning calorimetry Melting point as measured by DSC: 4 1.2 ° C Density (at 25 t): 0.89 Number of methyl groups per 100 carbon atoms in the molecule (from spectrum 4): 6.3 Preparation Example 3 '

Into a 1 liter flask was filled with 1,000 g of polymerized MDI (trade name "Cosmonate M-400" manufactured by Mitsui Chemicals Co., Ltd.), and heated to 80 ° C under search, and the temperature was increased. 50 grams of polyoxyethylene unit alcohol (N 0 F

Co "Poration's trade name" Uniox M-1000 ") in a bottle in a human museum, paper size, Shizhou Zhongmin S family standard 彳 (('NS) Λ4 size (2 丨 0 X 297 mm) _ 〇_ (Please read the precautions on the back before filling this page) Pack-^ J, n ^ in ^ i nn ml n I pm 1. ^ ^^^^ 1 -3 V. A7 B7 Printed by the Bureau β-χ Consumer Cooperative V. Description of the Invention (2〇) 1 1 t and the mixture is subjected to an addition reaction in a nitrogen stream. After 2 hours, the 1 1 I reverse rrtxf IS mixed mixture is gradually cooled, Then provide 0 1 1 I for the test of Example 3 Preparation Example 4 Please follow the same procedure as in Preparation Example 1 except that low molecular weight polyreadback I ethylene (trade name manufactured by Mitsui Chemicals Corporation " Mi t SU ί W 1 W ax of 1 I means 1 1 * 4202E ", its properties are described below, and its DSC_tf is shown in Figure 6) c Utilizing the crushing matter Γ 1 machine (T ok ushu K ika K 〇gy 〇Co., Ltd .Product name H (Refill / fill, 1 mixer ") The aqueous emulsion / dispersion thus prepared was further pulverized f%. This page was filled with 1 to obtain a fine dispersion, and then allowed to cool. C Result of particle size measurement (using 1 1 Kurt) The product name of the company is "Coulter Counter Type N 4".) I-1 1 The fine dispersion was measured to have an average particle size of 10 microns. In addition, the fine dispersion 1 was added to water to have an activity of 30¾. The content of the component f is provided for the test of Implementation 1 | Example 3. 1 1 1 Γ L Factory Μ it sui ί wa X 420 2 E j Properties] 1 1 Dispersion by gel permeation chromatography (GPC) Μ 翚Polystyrene is a standard molecular weight of 1: MN = 2,600-MW / MN = 2.50 1 Melting point measured by differential scanning calorimeter (DSC): 105. . 1 Density (under 2 5 υ) 0.95 1 1 Number of methyl groups per 100 涸 carbon atoms in the molecule: about 4. η 1 1 Preparation Example 5 1 300 grams of low molecular weight low density polyethylene ( Nip P 〇η Seir 0 C 0. »1 I Lt d · Product name manufacturer WEISSEN-0252Cj. Its properties are described below. 1 1 I% The GPC chart, DSC chart, and Η 1-NMR chart are shown in Figure 7, respectively. (Figures 8 and 9) 1 1 Put into a 1 liter 焴 bottle, and heat it in an oil bath at 9 5 JC to melt it. 0 1 1 This paper has passed the state China S standard 彳 (('NS) Λ4 size) (210X297 mm) The standard of the Ministry of Consumer Affairs ^^^^ Gongxiaozhuhe: ^ :: · ^^: · ^ A7 B7 V. Description of the invention (21) In addition, put 685 grams of distilled water into a 1 liter plastic cup And 15 grams of Sodium Sodium Sodium (trade name "Emal 10" manufactured by Kao Corporation)

I ") and dissolve in it with stirring. Then, while stirring and melting "WEISSEN-0252C", the "Emal 10" aqueous solution M was added to the flask at a rate of 20 ml / min using a measuring spring. After the addition of the "Eraal 10" aqueous solution was completed, the prepared emulsion was gradually cooled to obtain an aqueous emulsion and dispersion of "WEISS EN-0252C". This dispersion was pulverized with a pulverizer (trade name "Homami Mill" manufactured by Tokushu Kika Kogyo Co., Ltd.) to obtain a fine dispersion, which was then cooled. From the results of particle size measurement (using the Coulter Co., Ltd.'s trade name "Coulter Counter Model N4"), it was determined that the fine dispersion had an average particle size of 350 nm. In addition, the fine dispersion was added to water to have an active ingredient content of 30¾, and was then provided for the test of Example 4. [Properties of "WEISSEN-0252C"] Molecular weight measured by gel permeation chromatography (GPC) M monodisperse polystyrene as standard: MN = 3, 8 3 0, MW = 8, 9 3 0, Μ / Μ N = 2, 3 3 Melting point measured by differential scanning calorimeter (DSC): 6 5 Ό Density (at 25 t: under): 0.91 Number of methyl groups per 100 carbon atoms in the molecule (from the spectrum 2)): About 4.2 Example 1 [Preparation of the board] 1,560 grams of crumb-like fine wood chips (moisture content: about 9 $) were put into a blender equipped with a mixing slurry . Then, a polyol (trade name "EP-2 8 0" manufactured by Sanwa Chemical Co., Ltd.) and a low molecular weight paper sheet prepared as in Example 1 were prepared. ) Λ4 specification (210X 297mm) 9 ,, (Please read the precautions on the back before filling out this page) ..-------- Install -------- Order --- A7 B7 Central Standard of Ministry of Economic Affairs Production Printing by Panpan Shellfish Cooperative, Co., Ltd. Printing 5. Description of the Invention [22] 1 1 Amount of fine polyethylenimide fine dispersion (active ingredient content 1 0¾) in its existence state K 1 1 I 0. 1: 1 0 0 ratio mixing , 1 Using a high-pressure collision and mixing sprayer (G us in er · 1 1 I Co Γ Ρ. Product name "Η -2000") at 120 kgf / cm2, please make this under the pressure of 1 The mixture was subjected to high-pressure collision, and the weight ratio of M 1: 1 was mixed with the read back polymerization MD I (trade name Γ Co s in ο nate manufactured by Mitsui Chemicals Corporation, meaning 1 1 M- 200 j). Immediately after mixing, the ratio blowing item 11 shown in Table 1 of the mixture M is incorporated into the chips in the blender. After that, the chips with the adhesive composition applied were filled 1 1 and weighed out. The M-shaped board had a set density after molding, and was then uniformly formed on a backing plate (written on this page and made of iron) to have a length of 30 cm. X 30 cm in size. 1 Cover the formed board with a pad with the same formula to make this combination-1 1 Press and heat and press under the conditions described below 0 The result is very difficult to mold 1 * Order 9 and even if After 50 consecutive preparations, it was still not observed that the plate attached to the pad 1 was completely observed. According to the JIS standard, the thus-prepared plate was measured for bending strength in a normal state. 1 1 [Preparation conditions of the board] 1 1 Set thickness: 15 mm 1 Set density: 0.76 1 f Water content of felt sheet: 14.3¾ 1 V Hot pressing m Temperature: 180. . \ 1 Pressing pressure: 30 kgf / cm 2 1 1 Pressing time: 3 minutes and 30 seconds' 1 NC 0/0 值 Value: 14,700 1 I [Properties of ΕΡ- 2 8 0] 1 1 I Function Number of groups: 3 1 1 Although the molecule is about 6, 0 0 0 1 1 Paper size i4 state Chinese storehouse (('NS) Λ4 size (210X297 mm) 25 B7 V. Description of the invention (23), β &gt; ·: I would like to ask Venezuela 0Η Value: 28 (-CH2CH2-〇-) Structure content: 40¾ Example 2 〆 ·, -Original% Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs [board preparation] will reset the ratio Wood chips and low molecular weight polyethylene (trade name "WEISSEN-0453" manufactured by Nippon Seiro Co., Ltd.) of a mixture of conifers and valve leaves (5/5) of 100: 1.2 are packed in MDF manufacturing equipment, And use the steam pressure disk refining operation to make fiber separation treatment. The so-called "blowing line" uses a gear pump to aggregate 1,250 parts by weight (dry) of raw materials into a total of 100 parts by weight (dry). MDI (trade name manufactured by Mitsui Chemicals Corporation) "Cosmonate M-300") was added under pressure. Afterwards, Burmese was dried until the water content became about 12¾, and weighed. * K resulted in the board having a set density after molding, and then the backing board (made of 锇), Uniformly shaped, so that it has a size of 30 cm x 30 cm. The formed board is covered with a pad with the same formula, and the combination is hot-pressed under the conditions described below. The moldability is very good, and even after 50 consecutive preparations, no adhesion to the backing plate was observed at all. According to the J IS standard, the bending strength of the plate thus prepared was measured in the normal state. [Preparation conditions of the plate] Set thickness : 12 mm Set density: 0.72 Water content of felt: approx. 12¾ Temperature of hot heading machine: 200t: Pressure: 30 kgf / cm² 1— S.-------ml ---- ----— I--..... — i ml (Please read the precautions on the back before filling this page).. This paper size applies to Chinese national standards (CNS &gt; Α4 size (210 × 297 mm)) -26-Amendment page A7 B7 After being printed by the staff of the Central Bureau of Standards, the cooperative association printed * `` Water V. Inventions Explanation (24) 1 1 Press time 3 minutes and 30 seconds 1 1 I Example 3 1 1 1 1 [Preparation of the board] Please read 1 · 1 After drying the sugarcane bagasse after extracting the sugar from the sugar cane Read the back δ to get the m dimension (water content of about 13%). &Gt; Then use a hammer mill to pulverize the fibers and note 1 I means 1 1 I to obtain fine m slag fibers. 3,729 grams of fiber are packed Mixing matters with a stirring blade / 1 m in. Then VX water will be filled with the oxidized and filled 1 as written in Preparation Example 4. The low-molecular-weight polyethylene (Mitsui Chemical Co., Ltd.) Manufactured under the trade name "Page 1 Μ t 1 SU 1 Η 1 W ax 4202E J) fine dispersion (active ingredient content: 30¾) 1 1 diluted 11 times 0 Fill a 300 ml plastic cup with 110 grams of diluted solution · -1 1 and refill with 100 g of self-emulsifiable polymerized MDI as prepared in Preparation Example 3 1 Order 9 to prepare Adhesive composition 0 In a blender, an air sprayer is used to mix the entire 1 I part of the adhesive composition with the aforementioned fine bagasse fiber and apply it to 1 1 I 0 The fiber with the adhesive composition applied is taken out and weighed Weight, so that the board has a set density after molding 1 1 and then is uniformly formed on a backing plate (made of iron), 1, * water makes a size of 30 cm X 3 0 cm 0 cover on the formed board The upper 1 Γ 1 has the same formula pad and the combination is hot-pressed under the conditions described below. The result is very good mold release, and even if it is tied to the cooked food 1 1 50 times, it is still not observed. To attach to the pad. According to the J IS standard, the bending strength of the plate prepared in this way is measured in the normal state. \ 1 [Preparation conditions of the board] 1 | Set thickness 7 mm 1 I Set density: 0. 72 1 1 I Water content of felt: 15.8¾ 1 1 Paper size 1¾ State China® House Standard CN (CNS) Λ4 specifications (210X 297mm) Does the central sample bureau of the Ministry of Labor only eliminate the seal of the cooperative? 々A7 B7 V. Description of the invention (25) Hot press temperature: 19 0 ° C Pressing pressure: 30 kgf / cm² Pressing time: 2 minutes and 30 seconds Example 4 [Preparation of the board] Use The ring-shaped peeler (r ngf 1 aker) made the poplar material into a thin sheet state (0.5 mm X 40 mm X 80 mm) and dried in an oven (although water content: about 4¾). 2,500 grams of flakes were loaded into a transfer type blender. Next, M water dilutes the fine dispersion (active ingredient content: 30%) of the low molecular weight polyethylene (trade name "WEISSEN-0252C" manufactured by Nippon Seiro Co., Ltd.) prepared in Preparation Example 5 13 216.7 grams of diluted solution was applied to the flakes using an air sprayer. Next, 100 g of polymerized MDI (trade name "Cosmonate M-200" manufactured by Mitsui Chemicals Corporation) was sprayed using a high-pressure sprayer and applied thereto. The sheet to which the adhesive composition was applied was taken out and weighed, and the M plate had a set density after molding, and was then uniformly formed on a backing plate (made of iron) so as to have a size of 30 cm x 30 cm. In the molding, a three-layer structure is used, and the weight ratio of the surface layer to the core material layer to the surface layer is set to 2: 6: 2. Incidentally, the forming is performed such that the fiber direction of the surface layer is perpendicular to the fiber direction of the core layer. Then, the formed plate was covered with a pad having the same formula, and the combination was subjected to hot pressing under the conditions described below. As a result, the mold release property was very good, and even after 50 times of continuous preparation | attachment to the pad was not observed at all. According to the S standard, the plate thus prepared was tested for the most bending strength in the normal state.

This paper is standard Tongzhou China® house standard (('NS) Λ4 specification (2 丨 0X297 mm) 0 Q mn ^ i ^^^^ 1 Bufli — ^ m ^^^^ 1 ^^ —. 1 mV ^^ ^^ 1— ·--US.-5 (Please read the notes on the back before filling in this page),. After the cooperation of the Central Standards Bureau of the Ministry of Standards and Industry β, 0 stamps * ° Water A7 B7 V. Description of the invention (26 ) [Plate preparation conditions] Set thickness: 20 mm

I Set the density ·· 0.6 4 Water content of felt sheet: 1 2. 0% Heat press temperature: 2 0 0 ° C Pressing pressure: 30 kgf / cm² Pressing time: 3 minutes and 30 Second Example 5 [Preparation of the board] A drum-type blender was charged with 1,672 g of "white sand balloon" (bulk density: about 0.3 g / cm3, water content: 0.1%), which was passed through Fine hollow particles prepared by thermal expansion of white sand. Next, M water will be a polyhydric alcohol (trade name "EP-3 0 3 3" manufactured by Mitsui Chemicals Co., Ltd.) and the oxidized and modified low molecular weight polyethylene (N ί ρ ρ) prepared in Preparation Example 2. ο n Seir 〇C 〇., L td. Finely dispersed 锊 (active ingredient content: 20¾) manufactured under the trade name "Ιί Ε ISSE H-0453" was diluted 3 times. The 150 g of dilution was dissolved with an air sprayer. It is applied to a white sand balloon. Next, a polymerized MDI (trade name "(: 031111 0031 ^^)-7 0 0" manufactured by Mitsui Chemicals Corporation) is sprayed and applied thereon. The white sand balloon is taken out and weighed so that the board has a set density after molding, and then is uniformly formed on a backing plate (made of iron) to have a size of 30 cm x 30 cm. The board was covered with a pad with the same formula, and the combination was hot-pressed under the conditions described below. As a result, the mold release was very good, and even after 50 times of pseudo-Lianmen preparation, it was completely I personally observed that the attached paper scale Chengzhou China S house standard cold (('NS) Λ4 specification (210 × 297 mm) 〇 η (Please read the precautions on the back before filling this page)

Touch to the pad. According to the JIS standard, the thus-prepared plate was measured for its maximum flexural strength in the normal state. [Preparation conditions of the board] Set thickness: 20 mm Set density: 0.40 Water content of felt ♦ · 8.0¾ Pre-pressing pressure: 25 kgf / cm² Pre-pressing temperature: 80t: Pressing pressure: open Pressing temperature: 160 T! Pressing time: 20 minutes [Properties of EP-3033] Number of functional groups: 4 Molecular weight: about 6,600 0ΗΜ: 34 Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs (please read the note on the back first) Please fill in this page again) (-CH2CHz-0-) Structure content: 145K Example 6 [Preparation of the board] The steaming disc refining operation is used to make the wood chips of the coniferous and broad M tree (5/5) mixture thin Opening processing. The fiber thus prepared was charged into an MDF manufacturing facility, and a low molecular weight polyethylene (a product manufactured by Nippon Seiro Co., Ltd.) manufactured as in Preparation Example 2 was applied using an air sprayer M100: 0.5 weight ratio. Name "WE ISSEN-0453"). In addition, Ml, 250 parts by weight (dry) of raw materials are excited by an airless spray gun. The paper size is in accordance with the Chinese National Standard (CNS) A4 specification (210 X 297 mm).

The Ministry of Economic Affairs ’Central Consumer Bureau ’s consumer cooperative ’s seal is 100 parts by weight of polymer MDI (trade name“ Cosmonate M-200j ”manufactured by Mitsui Chemicals Co., Ltd.). Thereafter, it will be dried until it is water. The S content is about 12¾, and it is weighed. The M plate has a set density after molding, and is then uniformly formed on a backing plate (made of iron) to have a size of 30 cm x 30 cm. On the formed plate Cover the backing plate with the same formula, and make this combination hot-pressed under the conditions described below. As a result, the mold release is very good * and even after 50 consecutive preparations, no adhesion was observed at all To the backing plate. According to JIS standards, the thus-prepared plate was measured for bending strength in a normal state. [Preparation conditions of the plate] Set thickness: 12 mm Set density: 0.72 Water in felt sheet contains Dong • about 12 × hot press temperature : 1 8 0 ° C Pressing pressure: 30 kgf / cm² Pressing time: 3 minutes and 30 seconds Comparative Example 1 [Preparation of the board] 1,43 0 g of sawdust-like fine wood chips (water containing fi : About 0.0¾) into a mixing mill with a stirring slurry 10 g of powder of low molecular weight polyethylene (trade name "WEISSEH-0252C" manufactured by Nippon Seiro Co., Ltd.) was mixed therewith. Thereafter, 100 g of polymerized MDI (trade name "Cosmonate M-2 00j" manufactured by Mitsui Chemicals Co., Ltd.) was blown onto the chips using a sprayer in the blended concrete. The chips were taken out and weighed, and K was used for molding. This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) = ~ 31 ~-Correction page (please read the precautions on the back before filling this page). Τ Supplement A7 B7 Central Bureau of Standards, Ministry of Economic Affairs Printed by the employee consumer cooperative V. Description of the invention 29) After 1 1 has a set density f and then the average sentence is formed on the pad (made of hunger) so that 1 1 has a size of 30 cm x 30 cm 0 on the formed board Then cover the backing plate with the same formula with 1 1, and make this combination walk under the conditions described below-> V Please 1 I first hot press and pressure 0 result * due to insufficient solidification f The board has not been shaped horizontally 0 because of reading 1 back 1 this f has not been evaluated for the board. Note 1 [Preparation conditions of the board] Note 1 item | Set thickness ♦ 15 mm and fill in f Set density 0. 76 Write this page '本页 1 Water content of felt sheet 0. 0¾ S_✓ 1 I Hot press temperature «* 180 t: 1 I pressurization pressure «30 kgf / cm² 1 1 order pressurization time 3 minutes and 30 seconds 1 comparative example 2 1 1 [preparation of the board] 1 | conifer and Broad-leaved tree (5/5) mixed 1 mixture of wood chips for male and female separation treatment using the so-called factory blow pipe media J Ί using a high-pressure pump 1,250 parts by weight (dry) of raw fiber as 100 parts by weight 1 1 Aggregate MD I of 5 (trade name factory manufactured by Mitsui Chemicals ms 1 1 Co s η ο η ate M- 200 j) added under pressure After that, the fiber was dried until the water content of 1 I became about 12¾. • Weighed _ K the board has a set density of 1 I after molding 9 and then uniformly formed on the backing plate (made of 铩) to have 30 cm X The size of 1 1 30 cm is covered with the same formula on the formed board 1 1 backing plate 9 and the combination is hot-pressed under the conditions described below. 0 Results 1 1 Results 9 Attached to the backing board. Therefore 9 The evaluation of the board has not been performed. 0 1 1 This paper size applies to the Chinese national standard (CNS> A4 specification (210 × 297 mm). 32) A revised page. Yinlai A7 B7 V. Description of the invention (30) [Preparation conditions of the board] Set thickness: 12 mm

I Set density: 0. 72 Felt water content: Although about 1 2 «Hot press temperature: 2 0 0 ° C Pressing pressure: 30 kgf / cm² Pressing time: 3 minutes and 30 seconds The results are summarized in Table 1. The size of this paper is based on the national standard (('NS) Λ4 size (2 丨 0X 297 mm) ^^ 1 ^ ϋρ «^ 1 m 41 ^ 1 ^^^ 1 1_-1 ^^^ 1 nn nn 1 .OJI -In m ^ i I i -i 1 In n (please read the precautions on the back before filling this page).. 5. Description of the invention (31) Printed by the Ministry of Economic Affairs, Bureau of Standards and Industry, β Industry and Consumer Cooperatives捶 W M-200 〇I 1 ί 1 1 1wood fiber 1 1.250 paste 0.72 m IK ® T- * M-200 〇〇MEISSEN -0252C 〇 rH powder 1 1 1 wood chips 〇1,430 undetermined * CO implementation Example 6 M-200 〇 &lt; 〇MEISSEN -0453 ΙΓ5 〇h? Disintegration 1 butterfly 1 1 1 wood fiber 1.250 &amp; 34.2 0.72 Example 5 M-700 ________1 〇〇MEISSEN -0453 〇e dispersion 1 1 EP -3033 〇CO white sand balloon 〇1,670 good CO CO 0.40 J example 4 1 M-200 .. _ 1 〇〇WEJSSEN j -0252C 1 L〇dispersion 1 butterfly 1 1 1 1 thin wood Η inch 2,500 o CO 0.64 Example 3 M-400 004202E cON Dispersion 1 Butterfly I M-1000I 〇LO 1 1 Bagasse 3,300 18.6 〇 Example 2 H-300 〇2 WEISSEN -0453 UQ r-i pellet butterfly 1 1 1 Wood fiber 1,250 LOto LO c〇0.72 Example 1 M-200 〇220P or * _ 1 In the dispersion butterfly 1 1 EP-280 τ · * -4 〇Wood chips 〇1,430 &amp; 21.8 &lt; L〇 卜 〇Composition type JJ type shape (C) Water 丨 Type J-3 Type Λ3 Type Hydration Amount ⑴ ± 5 Releasing Physical Properties M0R (N / ibb2) Density (g / cffl3) fA) Organic Polyisomalate (B &gt; Low Molecular Weight Polyethylene (D ) Monofunctional alcohol (E) raw material for the polyol board (please read the precautions on the back before filling this page) This paper size 垧 川 屮 国 &amp; 1 house standard _ in (('milk) 6 4 specifications (210 &gt;) &lt; 297 mm> -34-A7 B7 V. Description of the invention (32) In the manufacture of hot-pressed g plastic plates composed of M wood physin and / or inorganic materials as main raw materials, the adhesive composition according to the present invention Materials and manufacturing methods, even in the case where the hot press molding is performed using an isocyanate-based adhesive, the mold release property from the hot plate is permanently good, and the productivity of the system is significantly improved. At the same time, excellent physical properties and low moisture absorption linear expansion coefficient of the board can be obtained. In addition &gt; Since the conventional formaldehyde-based adhesive is not used, the release of formaldehyde from the molding plate can be reduced or eliminated, and no environmental pollution is caused. Although the present invention has been described in detail with reference to specific examples thereof, those skilled in the art should understand that various changes and modifications can be made to the content without departing from the spirit and scope thereof. (Please read the notes on the back before filling out this page) --- Pack-

* 1T The central ministry of the Ministry of Economic Affairs only ^-eliminates the cooperative shirt printing period This paper size Nezhou mid-threshold K family standard ((, NS) Λ4 specifications (2 丨 〇 X 297 mm) „. -3 a-

Claims (1)

A8 B8 C8 D8 88 · ία 2 6 Amendment printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 6. Application scope of patents 1. A binder composition including: (A) a compound having at least two isocyanate groups, the The compound is selected from the group consisting of aromatic diisocyanates and polyisocyanates, aliphatic diisofluorates and polyisocyanates, alicyclic diisocyanates and polyisocyanates, or reaction products thereof, (B) Low molecular weight polyethylene, which has a number measured using gel permeation chromatography, M monodisperse polystyrene as standard. The average molecular weight (MN) is a density from 1,000 to 6,000 and from 0.800 to 0,980 *. The calorimeter (DSC) measured the endothermic peaks from 301C to 120 &quot; C, and (C) water, the compound having at least two isormatate groups or the reaction product thereof (A). (B) The weight ratio is from 1: 0.001 to 1: 1. 2. The adhesive composition according to item 1 of the patent application range, wherein the ratio of the weight average molecular weight (HW) to the number average molecular weight (MN) of the low molecular weight polyethylene (B) measured by gel permeation chromatography is From 1.5 to 3.0. 3. The adhesive composition according to item 1 of the scope of patent application, wherein the low molecular weight polyethylene (B) has a functional group selected from -OH, -C00H, and -CH0, and has a density exceeding 0.940. 4. The adhesive composition according to item 1 of the patent application range, wherein the low molecular weight polyethylene (B) has at least three methyl carbon atoms per 100 carbon atoms of the low molecular weight polyethylene (B). 5. The adhesive composition according to item 1 of the patent application, wherein the low molecular weight polyethylene (B) is an aqueous emulsion or suspension containing K (water) as a dispersion medium. This paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm) Λ I. Γ ^ -------- Order --I I-! · Line, (Please read the note on the back first (Fill in this page again) A8 B8 C8 D8 88 · ία 2 6 Amendment printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 6. Application scope of patents 1. A binder composition including: (A) a compound having at least two isocyanate groups, the The compound is selected from the group consisting of aromatic diisocyanates and polyisocyanates, aliphatic diisofluorates and polyisocyanates, alicyclic diisocyanates and polyisocyanates, or reaction products thereof, (B) Low molecular weight polyethylene, which has a number measured using gel permeation chromatography, M monodisperse polystyrene as standard. The average molecular weight (MN) is a density from 1,000 to 6,000 and from 0.800 to 0,980 *. The calorimeter (DSC) measured the endothermic peaks from 301C to 120 &quot; C, and (C) water, the compound having at least two isormatate groups or the reaction product thereof (A). (B) The weight ratio is from 1: 0.001 to 1: 1. 2. The adhesive composition according to item 1 of the patent application range, wherein the ratio of the weight average molecular weight (HW) to the number average molecular weight (MN) of the low molecular weight polyethylene (B) measured by gel permeation chromatography is From 1.5 to 3.0. 3. The adhesive composition according to item 1 of the scope of patent application, wherein the low molecular weight polyethylene (B) has a functional group selected from -OH, -C00H, and -CH0, and has a density exceeding 0.940. 4. The adhesive composition according to item 1 of the patent application range, wherein the low molecular weight polyethylene (B) has at least three methyl carbon atoms per 100 carbon atoms of the low molecular weight polyethylene (B). 5. The adhesive composition according to item 1 of the patent application, wherein the low molecular weight polyethylene (B) is an aqueous emulsion or suspension containing K (water) as a dispersion medium. This paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm) Λ I. Γ ^ -------- Order --I I-! · Line, (Please read the note on the back first Please fill in this page for further information.) Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. 6. Patent application scope. 6. If the adhesive composition of the patent application No. 5 is used, the low molecular weight polymer containing water (C) as a dispersion medium. The aqueous emulsion or suspension of ethylene (B) has an average particle size from 100 to 10,000 nanometers. 7. The adhesive composition according to item 1 of the patent application scope, wherein the compound having at least two isocyanate groups or a reaction product thereof (A) includes (D) having (-CHzCH2) -〇-) The reaction product of a monofunctional alcohol of a repeating unit and a compound having at least two isocyanate groups. 8. The adhesive composition according to item 1 of the patent application *, wherein the compound having at least two isofluoroester groups or a reaction product thereof (A) has from 5 to 70 in its structure by using (E) The weight percentage of (-CH2CH2-0_) repeats the unit di- to octa-functional polyol and emulsifies / disperses in water. 9. The adhesive composition according to item 8 of the application, wherein the compound having at least two isocyanate groups or a reaction product thereof (A), a low molecular weight polyethylene (B), water (C), and a polyol ( E) is formed into an aqueous dispersion via an in-line mixer * and then used. 10. The adhesive composition according to item 1 of the scope of patent application, wherein the compound having at least two isofluoroester groups or a reaction product thereof (A) is a polymethylene polydiisocyanate (polymeric MDI) ). 11. The adhesive composition according to item 1 of the scope of patent application, which is used in the manufacture of hot-pressed molding boards using lignocellulosic materials or inorganic materials as the main raw materials. 12. A method for manufacturing a hot-pressed molding plate, the method comprising the step of: (A) a compound having at least two isocyanate groups * The compound is selected from the group consisting of an aromatic diisofluoroester and a polyisocyanate, a fat Group diisofluoric acid (please read the notes on the back before filling this page) This paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm) A8 B8 C8 D8 VI. Patent Application Ester and Polyisocyanate And a group consisting of cycloaliphatic diisocyanates and polyisofluorates or their reaction products, (B) low molecular weight polyethylene 'which has been measured using gel permeation chromatography with M monodisperse polystyrene as standard The number average molecular weight (ΜΗ) is a density from 1,000 to 6,000 and from 0.800 to 0.980, and has an endothermic peak ((A) from 30 "to 120 ° C as measured by a differential scanning calorimeter (DSC): (B) The weight ratio is 1: 0.001 to 1: 1) 'and (C) Water is added to the lignocellulosic material or the inorganic material; The mixture M obtained by the weighing scale makes the board have a set density after molding; The heavy mixture is evenly formed on the backing plate to Make it have a set size; cover another backing plate on the mixture that has been uniformly formed on the backing plate; and then heat-press and press the resulting combination to manufacture the hot-pressing horizontal plastic plate. The method of 12 items, wherein the weight ratio of the lignin or the inorganic material to the low molecular weight polyethylene is 83,3: 1 to 2500: 1. (Please read the precautions on the back before filling this page) ^ --- ^ ---- „-Order --------- line · Printed by the Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs This paper is sized for the Chinese National Standard (CNS) A4 (210x297 mm) 3