CN109181618A - Solid wooden compound floor formaldehydeless release environment-protective adhesive and preparation method thereof - Google Patents
Solid wooden compound floor formaldehydeless release environment-protective adhesive and preparation method thereof Download PDFInfo
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- CN109181618A CN109181618A CN201811155071.3A CN201811155071A CN109181618A CN 109181618 A CN109181618 A CN 109181618A CN 201811155071 A CN201811155071 A CN 201811155071A CN 109181618 A CN109181618 A CN 109181618A
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- adhesive
- solid wooden
- wooden compound
- protective adhesive
- release environment
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/08—Polyurethanes from polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
Abstract
The invention belongs to the preparation technical fields of high molecular material, are specifically related to a kind of solid wooden compound floor formaldehydeless release environment-protective adhesive and preparation method thereof.Based on mass fraction, raw material composition is as follows: polyether-type dihydric alcohol 65%-75%；Diisocyanate 18%-25%；Chain extender 3%-7%；Antioxidant 0.1%-0.3%；Ultra-fine inorganic filler 0.5%-3%；Coupling agent 0.5%-1.5%；Catalyst 0.008%-0.03%.Adhesive solid content prepared by the present invention is 100%, it can be coated to by powdery between the different structure layer of composite floor board, the film that adhesive can also be made to certain uniform thickness is placed between floor panel structure layer, to guarantee the uniformity of gluing, guarantees adhesive strength；Prepared adhesive toughness and adhesion strength are high, and at low cost, remarkable in economical benefits reaches the target that formaldehyde zero discharges in the use process of floor.
Description
Technical field
The invention belongs to the preparation technical field of high molecular material, a kind of solid wooden compound floor is specifically related to formaldehydeless
Discharge environment-protective adhesive and preparation method thereof.
Background technique
Solid wooden compound floor because of the advantages that it is beautiful, graceful, structural stability is good, be widely applied to hotel, market and
In house decoration.Compossite solid-wood floor plate comes into vogue in American-European countries at first, currently, composite floor board is in quick hair in China
The exhibition stage.In composite floor board preparation process, need mainly to be coated in the multilayered structure of composite floor board using to a large amount of adhesive
Between, to guarantee the overall structure stability on floor.Currently, the adhesive being widely used is mainly urea-formaldehyde glue and import powdery
Glue (Nobel's glue), used in urea-formaldehyde glue be substantially China floor manufacturer self-control, drawback be Form aldehyde release not
Stablize, is easy to cause environmental protection exceeded, in addition adhesive strength is not high.Nobel's glue is American-European import adhesive, such adhesive
Viscosity is high, is not easy to use in process of production, be easy to cause gluing uneven, influence adhesive strength.In addition, although Nobel's glue
Burst size of methanal can reach E1 standard, but the case where there are Form aldehyde releases.As people increasingly want living environment
Ask stringent, the release of formaldehyde zero in floor will necessarily be following development trend, therefore develop formaldehydeless release environment-friendly type gluing
Agent must have specific extensive reality and application value.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of formaldehydeless release environmental protection of solid wooden compound floor
Adhesive.The adhesive toughness and adhesion strength of preparation are high, and at low cost, remarkable in economical benefits reaches first in the use process of floor
The target that aldehyde zero discharges；The present invention also provides preparation methods.
The formaldehydeless release environment-protective adhesive of solid wooden compound floor of the present invention, based on mass fraction, raw material composition
It is as follows:
Wherein:
Polyether-type dihydric alcohol molecular weight is between 2500-3000.
Polyether-type dihydric alcohol is polyoxyethylene glycol, Polyoxypropylene diol, polytetrahydrofuran dihydric alcohol or second
The mixing of one or more of alkenyl polymer graft polyether dihydric alcohol arbitrary proportion；Preferably polytetrahydrofuran dihydric alcohol.
Diisocyanate is 4,4' diphenylmethane diisocyanate, hexamethylene diisocyanate, toluene diisocyanate or Asia
One of phenyl -1,4- diisocyanate；It is preferred that 4,4' diphenylmethane diisocyanate (MDI-100).
Chain extender is in ethylene glycol, 1,4- butanediol, 1,2- propylene glycol, 1,3- propylene glycol or 2- methyl-1,3-propanediol
One kind or its several arbitrary proportions mixing；Preferably 1,4- butanediol (BDO).
Antioxidant is one or more of Hinered phenols antioxidant or phosphite ester antioxidant with the mixed of arbitrary proportion
It closes；Preferably four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters (1010), bis- (2,4- di-t-butyls
Phenol) pentaerythritol diphosphites (626), three [2.4- di-tert-butyl-phenyl] phosphite esters (168) or thio-2 acid pair
One or more of mixtures of decylene glycol ester (DLTDP), more preferably [β-(3, the 5- di-t-butyl -4- hydroxy benzenes of antioxidant four
Base) propionic acid] pentaerythritol ester (1010).
Ultra-fine inorganic filler is one of calcium carbonate, magnesium carbonate, talcum powder, titanium dioxide, white carbon black or kaolin or several
Kind is with the mixing of arbitrary proportion, mesh number >=1000 mesh of ultra-fine inorganic filler.
Coupling agent is one of polyolefins, polyolefin salt, alkylene organosilicon alkanes, titanate esters or chromium complex
Or several mixing with arbitrary proportion；Preferably vinyltriethoxysilane (A151).
Catalyst is one of organo-bismuth class or titanate ester catalyst, and preferably organo-bismuth class catalyst DY-20 is (raw
Business men is to be full of to create Degussa).
The preparation method of the formaldehydeless release environment-protective adhesive of solid wooden compound floor of the present invention, specifically by polyethers
Type dihydric alcohol, antioxidant, catalyst, coupling agent are mixed and heated to 130-150 DEG C, are sufficiently mixed uniformly；Diisocyanate heating
To 45-55 DEG C, chain extender is heated to 45-55 DEG C；Raw material after heating is injected into extrusion through high-speed stirred head after metering
In machine, the ultra-fine inorganic filler of metering is added in extruder back segment, mixed material carries out adequately reacting plasticizing in screw rod, and
Formaldehydeless release environment-protective adhesive is obtained after the granulation of underwater cutting system.
The solid wooden compound floor of the present invention application of formaldehydeless release environment-protective adhesive, is by formaldehydeless release ring
It protects adhesive and hot melt adhesive adhesive sheet material is made, adhesive sheet material is placed between floor layer, solid wood is finally obtained by hot pressing
Composite floor board.
Compared with the prior art, the present invention has the following beneficial effects:
(1) adhesive of the present invention release formaldehydeless during making and using, in the life of entire product
It is all environment-protecting and non-poisonous in period；Adhesive of the present invention is at low cost compared to import Nobel's glue, has cost advantage
It is prominent with economic benefit.
(2) adhesive solid content of the present invention is 100%, and the different knots of composite floor board can be coated to by powdery
Between structure layer, the film that adhesive can also be made to certain uniform thickness is placed between floor panel structure layer, to guarantee gluing
Uniformity guarantees adhesive strength.
(3) ultra-fine inorganic filler is added in adhesive of the present invention, can significantly improve the toughness of adhesive, and enhancing is viscous
Connect intensity.
Specific embodiment
The invention will be further described with reference to embodiments.
Embodiment 1
The formaldehydeless release environment-protective adhesive of solid wooden compound floor described in the present embodiment 1, by following mass percent
Raw material is made:
The polytetrahydrofuran dihydric alcohol molecular weight is 2500.
Polytetrahydrofuran dihydric alcohol, 1010, DY-20, A151 are mixed and heated to 130 DEG C, are sufficiently mixed uniformly；MDI-100
It is heated to 50 DEG C；BDO is heated to 45 DEG C；Raw material after heating is injected into extruder through high-speed stirred head after precisely measuring
In, ultra-fine inorganic filler-talcum powder of metering is added in extruder back segment, mixed material carries out adequately reacting modeling in screw rod
Change, and obtains final products after the granulation of underwater cutting system.
Embodiment 2
The formaldehydeless release environment-protective adhesive of solid wooden compound floor described in the present embodiment 2, by following mass percent
Raw material is made:
The polytetrahydrofuran dihydric alcohol molecular weight is 2800.
Preparation process: polytetrahydrofuran dihydric alcohol, 1010, DY-20, A151 are mixed and heated to 135 DEG C, are sufficiently mixed
It is even；MDI-100 is heated to 50 DEG C；BDO is heated to 45 DEG C；Raw material after heating is infused after precisely measuring through high-speed stirred head
Enter into extruder, ultra-fine inorganic filler-talcum powder of metering is added in extruder back segment, mixed material is filled in screw rod
The reaction plasticizing divided, and final products are obtained after the granulation of underwater cutting system.
Embodiment 3
The formaldehydeless release environment-protective adhesive of solid wooden compound floor described in the present embodiment 3, by following mass percent
Raw material is made:
The polytetrahydrofuran dihydric alcohol molecular weight is 3000.
Preparation process: polytetrahydrofuran dihydric alcohol, 1010, DY-20, A151 are mixed and heated to 145 DEG C, are sufficiently mixed
It is even；MDI-100 is heated to 50 DEG C；BDO is heated to 45 DEG C；Raw material after heating is infused after precisely measuring through high-speed stirred head
Enter into extruder, ultra-fine inorganic filler-talcum powder of metering is added in extruder back segment, mixed material is filled in screw rod
The reaction plasticizing divided, and final products are obtained after the granulation of underwater cutting system.
Comparative example 1
Adhesive described in this comparative example 1 is made of the raw material of following mass percent:
The polytetrahydrofuran dihydric alcohol molecular weight is 3000.
Preparation process: polytetrahydrofuran dihydric alcohol, 1010, DY-20, be mixed and heated to 145 DEG C, be sufficiently mixed uniformly；
MDI-100 is heated to 50 DEG C；BDO is heated to 45 DEG C；Raw material after heating is injected after precisely measuring through high-speed stirred head
Into extruder, mixed material carries out adequately reacting plasticizing in screw rod, and obtains finally after the granulation of underwater cutting system
Product.
The requirement of II class adhesive referring to as defined in GB/T 14074 is detected, and is predominantly detected appearance, bonding strength, is consolidated
Change time, free formaldehyde content, storage stability, dipping and stripping performance；Testing result is as shown in table 1:
Adhesive property prepared by 1 embodiment 1-3 of table and comparative example 1 tests table
It can be seen that the solid wooden compound floor of the present invention environmentally friendly gluing of formaldehydeless release by above-mentioned detection data
For agent physical property obviously higher than the requirement of national standard, the most key point is formaldehydeless release.In addition, being filled out by adding ultra-fine inorganic
Material, more can significantly promote the bonding strength of adhesive.The above is the preferred embodiment of the invention, is not used to
The limitation present invention, for those skilled in the art, the present invention can also have different variation and change, all in the present invention
Principle and spirit in, made corresponding modification should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of formaldehydeless release environment-protective adhesive of solid wooden compound floor, it is characterised in that: based on mass fraction, raw material composition
It is as follows:
2. the formaldehydeless release environment-protective adhesive of solid wooden compound floor according to claim 1, it is characterised in that: polyether-type
Dihydric alcohol molecular weight is between 2500-3000.
3. the formaldehydeless release environment-protective adhesive of solid wooden compound floor according to claim 2, it is characterised in that: polyether-type
Dihydric alcohol is polyoxyethylene glycol, Polyoxypropylene diol, polytetrahydrofuran dihydric alcohol or vinyl polymer graft
The mixing of one or more of polyether Glycols arbitrary proportion.
4. the formaldehydeless release environment-protective adhesive of solid wooden compound floor according to claim 1, it is characterised in that: two isocyanides
Acid esters is that 4,4' diphenylmethane diisocyanate, hexamethylene diisocyanate, toluene diisocyanate or phenylene -1,4- two are different
One of cyanate.
5. the formaldehydeless release environment-protective adhesive of solid wooden compound floor according to claim 1, it is characterised in that: chain extender
For one of ethylene glycol, 1,4- butanediol, 1,2- propylene glycol, 1,3- propylene glycol or 2- methyl-1,3-propanediol or its is several
Arbitrary proportion mixing.
6. the formaldehydeless release environment-protective adhesive of solid wooden compound floor according to claim 1, it is characterised in that: antioxidant
It is the mixing of one or more of Hinered phenols antioxidant or phosphite ester antioxidant with arbitrary proportion.
7. the formaldehydeless release environment-protective adhesive of solid wooden compound floor according to claim 1, it is characterised in that: ultra-fine nothing
Machine filler is one or more of calcium carbonate, magnesium carbonate, talcum powder, titanium dioxide, white carbon black or kaolin with arbitrary proportion
Mixing, mesh number >=1000 mesh of ultra-fine inorganic filler.
8. the formaldehydeless release environment-protective adhesive of solid wooden compound floor according to claim 1, it is characterised in that: coupling agent
It is one or more of polyolefins, polyolefin salt, alkylene organosilicon alkanes, titanate esters or chromium complex arbitrarily to compare
The mixing of example；Catalyst is one of organo-bismuth class or titanate ester catalyst.
9. a kind of solid wooden compound floor described in claim 1 preparation method of formaldehydeless release environment-protective adhesive, feature
It is: polyether-type dihydric alcohol, antioxidant, catalyst, coupling agent is mixed and heated to 130-150 DEG C, is sufficiently mixed uniformly；Two is different
Cyanate is heated to 45-55 DEG C, and chain extender is heated to 45-55 DEG C；By the raw material after heating through high-speed stirred head after metering
It is injected into extruder, the ultra-fine inorganic filler of metering is added in extruder back segment, mixed material carries out adequately in screw rod
Reaction plasticizing, and formaldehydeless release environment-protective adhesive is obtained after the granulation of underwater cutting system.
10. a kind of application of formaldehydeless release environment-protective adhesive of solid wooden compound floor described in claim 1, feature exist
In: hot melt adhesive adhesive sheet material is made in formaldehydeless release environment-protective adhesive, adhesive sheet material is placed between floor layer, is passed through
Hot pressing finally obtains solid wooden compound floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811155071.3A CN109181618B (en) | 2018-09-30 | 2018-09-30 | Formaldehyde-release-free environment-friendly adhesive for solid wood composite floor and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811155071.3A CN109181618B (en) | 2018-09-30 | 2018-09-30 | Formaldehyde-release-free environment-friendly adhesive for solid wood composite floor and preparation method thereof |
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| Publication Number | Publication Date |
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| CN109181618A true CN109181618A (en) | 2019-01-11 |
| CN109181618B CN109181618B (en) | 2021-07-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113667096A (en) * | 2021-09-06 | 2021-11-19 | 湖南省玛芸家居科技有限公司 | Environment-friendly MDI glue and contain its fire prevention formaldehyde-free panel for furniture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113667096A (en) * | 2021-09-06 | 2021-11-19 | 湖南省玛芸家居科技有限公司 | Environment-friendly MDI glue and contain its fire prevention formaldehyde-free panel for furniture |
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| Publication number | Publication date |
|---|---|
| CN109181618B (en) | 2021-07-02 |
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