CN105349093A - Soybean meal-based adhesive for fiber boards and synthetic method - Google Patents
Soybean meal-based adhesive for fiber boards and synthetic method Download PDFInfo
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- CN105349093A CN105349093A CN201510987704.7A CN201510987704A CN105349093A CN 105349093 A CN105349093 A CN 105349093A CN 201510987704 A CN201510987704 A CN 201510987704A CN 105349093 A CN105349093 A CN 105349093A
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- dregs
- base adhesive
- beans base
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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
- C09J189/00—Adhesives based on proteins; Adhesives based on derivatives thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/002—Manufacture of substantially flat articles, e.g. boards, from particles or fibres characterised by the type of binder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/04—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H1/00—Macromolecular products derived from proteins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3442—Heterocyclic compounds having nitrogen in the ring having two nitrogen atoms in the ring
- C08K5/3445—Five-membered rings
- C08K5/3447—Five-membered rings condensed with carbocyclic rings
-
- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Materials Engineering (AREA)
- Biochemistry (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a soybean meal-based adhesive for fiber boards. The adhesive is characterized by comprising components in parts by mass as follows: 200-300 parts of soybean meal, 600-1,000 parts of water, 50-100 parts of a modifier, 5-10 parts of a preservative and 1-5 parts of a PH catalyst. A method comprises steps as follows: 1) the crushed soybean meal is slowly added to the water while stirred; 2) the PH catalyst is added, the mixture is heated to the temperature about 80-90 DEG C, and the temperature is kept for 1-3 h; 3) after the viscosity of a reaction liquid is up to 15-25 s (T-4 cup, 20 DEG C), the modifier is added; 4) the pH value is adjusted to range from 7.0 to 8.0 after synthetic reaction for 1-2 h, the preservative is added, and the mixture is evenly stirred, cooled to the temperature lower than 45 DEG C and discharged. With the adoption of the soybean meal-based adhesive for the fiber boards, the production cost of the formaldehyde-free fiber boards is reduced, the bonding strength of the soybean meal-based adhesive is enhanced, the storage period of the adhesive is prolonged, and the service life of the boards is prolonged.
Description
Technical field
The present invention relates to dregs of beans base adhesive manufacturing technology field, particularly relate to a kind of fibre board use dregs of beans base adhesive and manufacture method.
Background technology
China is current Wood-based Panel Production maximum in the world and country of consumption, and fiberboard becomes one of wood-based plate principal item with the superiority of its uniqueness.Along with the day by day exhausted of fossil resource and the people are to the growing interest of environment environmental issue, find environment friendly biological base adhesive manufacture bio-based that is reproducible, zero Form aldehyde release and add wood-based plate without aldehyde, be of great immediate significance.Both meet the technical requirements of industry low-carbon cycle, fundamentally can solve again the Form aldehyde release of wood-based plate and the Dependence Problem to fossil resource.And biomass dregs of beans, also known as " soybean meal ", be a kind of byproduct obtained after soybean extracting bean oil, its advantage is abundance, renewable, and the Nonrenewable resources of alternative part, meet the requirement of environmental protection low-carbon (LC).Though obtain certain progress in the domestic study on the modification to dregs of beans base adhesive at present, but the open source literature report of industrialization is also successfully realized there are no the dregs of beans base adhesive developing the special high-quality low-cost of Fibreboard Production, critical bottleneck problem is that the viscosity that dregs of beans base adhesive itself exists is large, little, the easy degraded of poor water resistance, bonding strength, the easily defect such as aging really do not realize breaking through, further tackling key problem research or Optimal improvements extremely urgent, significant.
Summary of the invention
The present invention be directed to the not enough problem that the bio-based sizing agent technology such as the existing starch/albumen/dregs of beans of wood-based plate exist, the special superior dregs of beans base adhesive of a kind of fiberboard and synthetic method are provided, dregs of beans base adhesive provided by the invention have that viscosity is little, the advantage such as bonding strength and good fluidity, water tolerance are strong.
The invention provides a kind of fibre board use dregs of beans base adhesive and synthetic method, its components in mass portion meter is as follows: bean cake powder 200-300 part; Water 600-1000 part; Properties-correcting agent 50-100 part; Sanitas 5-10 part; PH catalyzer 1-5 part.Properties-correcting agent used is at least one in acylamide polymer, maleic anhydride, guanidinesalt.Sanitas used is at least one in lactic acid, potassium sorbate, derosal.
Described dregs of beans base adhesive PH catalyzer is at least one or two in sheet alkali, hydrochloric acid, phosphoric acid, boric acid and above mixture composition thereof.
The solids content of described dregs of beans base adhesive is at 35%wt-40%wt, and pH value is 7.0-8.0.
Described fibre board use dregs of beans base adhesive synthetic method step is:
1) by the bean cake powder after pulverizing, be slowly added to the water under stirring; 2) add PH catalyzer, be heated to about 80-90 DEG C, insulation 1-3 hour; 3) question response fluid viscosity reaches 15-25s (T-4 cup, 20 DEG C), adds properties-correcting agent; 4) after building-up reactions 1-2 hour, adjust ph is 7.0-8.0, adds sanitas, is cooled to 45 DEG C with bottom discharge after stirring.
Beneficial effect of the present invention is:
1) contrast with existing technology, solve the common problem of large, the difficult applying glue of viscosity and poor water resistance, existing fiberboard glue system can be utilized to realize industrialization and produce.
2) solve the Anticorrosion that dregs of beans base adhesive makes fiberboard self existence, improve the shelf lives of sizing agent, extend the work-ing life of sheet material.
3) reduce the production cost of formaldehyde-less fiber board, improve the bonding strength of dregs of beans base adhesive, there are significant economic and social benefits.
Accompanying drawing explanation
Fig. 1 is preferred (multiple deck press) thermal buckling line chart using dregs of beans base adhesive producd fibers plate of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
Embodiment 1
1) dregs of beans base adhesive proportioning raw materials is: bean cake powder 200 parts; 600 parts, water; Properties-correcting agent 50 parts; Sanitas 5 parts; PH catalyzer 1 part.Properties-correcting agent used is acylamide polymer or maleic anhydride at least one.Sanitas used is at least one in lactic acid, derosal.PH catalyzer is at least one or two in sheet alkali, hydrochloric acid and above mixture composition thereof.
2) dregs of beans base adhesive synthesis technique is: by the bean cake powder after pulverizing, slowly be added to the water under stirring, add pH catalyzer, be heated to about 80-85 DEG C, be incubated 1 hour, question response fluid viscosity reaches about 15s (T-4 cup, 20 DEG C), add properties-correcting agent, building-up reactions after 1 hour adjust ph be 7.0-7.5, add sanitas, be cooled to 45 DEG C after stirring with bottom discharge.
Embodiment 2:
1) dregs of beans base adhesive proportioning raw materials: bean cake powder 300 parts; 1000 parts, water; Properties-correcting agent 100 parts; Sanitas 10 parts; PH catalyzer 5 parts.Properties-correcting agent used is at least one in maleic anhydride, guanidinesalt.Sanitas used is at least one in potassium sorbate, derosal.
2) dregs of beans base adhesive manufacture method: by the bean cake powder after pulverizing, slowly be added to the water under stirring, add PH catalyzer, be heated to about 90 DEG C, be incubated 3 hours, question response fluid viscosity reaches about 25s (T-4 cup, 20 DEG C), add properties-correcting agent, building-up reactions after 2 hours adjust ph be 7.5-8.0, add sanitas, be cooled to 45 DEG C after stirring with bottom discharge.
Embodiment 3:
1) dregs of beans base adhesive proportioning raw materials: bean cake powder 250 parts; 800 parts, water; Properties-correcting agent 75 parts; Sanitas 7.5 parts; PH catalyzer 3.0 parts.Properties-correcting agent used is at least one in acylamide polymer, maleic anhydride.Sanitas used is at least one in lactic acid, potassium sorbate.
2) dregs of beans base adhesive manufacture method: by the bean cake powder after pulverizing, slowly be added to the water under stirring, add PH catalyzer, be heated to about 80-90 DEG C, insulation 1-3 hour, question response fluid viscosity reaches about 15-25s (T-4 cup, 20 DEG C), add properties-correcting agent, after building-up reactions 1-2 hour, adjust ph is 7.0-8.0, add sanitas, be cooled to 45 DEG C after stirring with bottom discharge.
Described dregs of beans base adhesive to be applied to beaverboard preparation be multiple deck press/continuous press flat-press process, and its preparation method mainly comprises following processing step:
(1) fiber preparation: wood material is softened by carrying out boiling after chipping into wood chip, falling blanking iron, then carries out defibrator process and add melt paraffin or water-resisting agent;
(2) applying glue and drying: wood fibre first applies dregs of beans base adhesive before entering drying duct, dry 5.0 ~ 10.0s after applying glue, and control raw aqueous rate 6.5 ~ 14.5%;
(3) to mat formation and precompressed: fiber carries out slab precompressed with the pressure of 100 ~ 150Bar after being paved by machinery, and carries out edging to slab;
(4) sheet material hot pressing: hot pressing temperature 160 ~ 245 DEG C, hot pressing pressure 150 ~ 390Bar, to after the slab hot pressing number after precompressed minute, making density is 650 ~ 900Kg/m
3sheet material, concrete hot pressing curve is as shown in Figure 1;
(5) sheet material aftertreatment: the sheet material completing hot pressing to be placed under indoor conditions after 48h, to carry out sanding by grinder, more namely obtain required dregs of beans base fibreboard product through inspection, sawing, packing.
Dregs of beans base adhesive of the present invention is used to replace traditional urea-formaldehyde glue to stick the medium density fibre board (MDF) of agent production, furniture type medium density fibre board (MDF) (MDF-FNREG) performance requriements that properties uses under not only meeting the drying regime that GB GB/11718-2009 " medium density fibre board (MDF) " specifies completely, and there is advantages such as discharging without free formaldehyde, anticorrosion, with low cost, fibreboard production line does not need to change original equipment technique and can realize producing.
Claims (9)
1. a fibre board use dregs of beans base adhesive, is characterized in that: its components in mass portion meter is as follows: bean cake powder 200-300 part, water 600-1000 part, properties-correcting agent 50-100 part, sanitas 5-10 part, PH catalyzer 1-5 part.
2. a kind of fibre board use dregs of beans base adhesive according to claim 1, is characterized in that: described properties-correcting agent is at least one in acylamide polymer, maleic anhydride, guanidinesalt.
3. a kind of fibre board use dregs of beans base adhesive according to claim 1, is characterized in that: described sanitas is at least one in lactic acid, potassium sorbate, derosal.
4. a kind of fibre board use dregs of beans base adhesive according to claim 1, is characterized in that: described PH catalyzer is at least one or two in sheet alkali, hydrochloric acid, phosphoric acid, boric acid and above mixture composition thereof.
5. a kind of fibre board use dregs of beans base adhesive according to claim 1, is characterized in that: described dregs of beans base adhesive solids content is 35%wt-40%wt, and pH value is 7.0-8.0.
6. the synthetic method of a kind of fibre board use dregs of beans base adhesive according to claim 1, is characterized in that: method steps comprises as follows: 1) by the bean cake powder after pulverizing, be slowly added to the water under stirring; 2) add PH catalyzer, be heated to about 80-90 DEG C, insulation 1-3 hour; 3) question response fluid viscosity reaches 15-25s (T-4 cup, 20 DEG C), adds properties-correcting agent; 4) after building-up reactions 1-2 hour, adjust ph is 7.0-8.0, adds sanitas, is cooled to 45 DEG C with bottom discharge after stirring.
7. the synthetic method of a kind of fibre board use dregs of beans base adhesive according to claim 1, is characterized in that: dregs of beans base adhesive proportioning raw materials is: bean cake powder 200 parts; 600 parts, water; Properties-correcting agent 50 parts; Sanitas 5 parts; PH catalyzer 1 part.
8. the synthetic method of a kind of fibre board use dregs of beans base adhesive according to claim 7, is characterized in that: method steps comprises as follows: 1) by the bean cake powder after pulverizing, be slowly added to the water under stirring; 2) add PH catalyzer, be heated to about 80-90 DEG C, be incubated 1 hour, question response fluid viscosity reaches about 15s (T-4 cup, 20 DEG C); 3) add properties-correcting agent, building-up reactions after 1 hour adjust ph be 7.0-7.5; 4) add sanitas, be cooled to 45 DEG C after stirring with bottom discharge.
9. a kind of fibre board use dregs of beans base adhesive according to claim 1 is applied to beaverboard preparation is multiple deck press/continuous press flat-press process, and its preparation method comprises following processing step:
(1) fiber preparation: wood material is softened by carrying out boiling after chipping into wood chip, falling blanking iron, then carries out defibrator process and add melt paraffin or water-resisting agent;
(2) applying glue and drying: wood fibre first applies dregs of beans base adhesive before entering drying duct, dry 5.0 ~ 10.0s after applying glue, and control raw aqueous rate 6.5 ~ 14.5%;
(3) to mat formation and precompressed: fiber carries out slab precompressed with the pressure of 100 ~ 150Bar after being paved by machinery, and carries out edging to slab;
(4) sheet material hot pressing: hot pressing temperature 160 ~ 245 DEG C, hot pressing pressure 150 ~ 390Bar, after the slab hot pressing 0.2-0.6min/mm after precompressed, making density is 650 ~ 900Kg/m
3sheet material, continuous press hot pressing adopts the curve mode that successively decreases step by step of pressure, and multiple deck press adopts the curve mode of secondary pressurized;
(5) sheet material aftertreatment: the sheet material completing hot pressing to be placed under indoor conditions after 48h, to carry out sanding by grinder, more namely obtain required dregs of beans base fibreboard product through inspection, sawing, packing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510987704.7A CN105349093A (en) | 2015-12-25 | 2015-12-25 | Soybean meal-based adhesive for fiber boards and synthetic method |
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| CN201510987704.7A CN105349093A (en) | 2015-12-25 | 2015-12-25 | Soybean meal-based adhesive for fiber boards and synthetic method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106113216A (en) * | 2016-08-26 | 2016-11-16 | 广西欧蒙人造板股份有限公司 | A kind of preparation method of 25mm medium density fibre board (MDF) |
| CN106142284A (en) * | 2016-08-26 | 2016-11-23 | 广西欧蒙人造板股份有限公司 | A kind of preparation method of 9mm medium density fibre board (MDF) |
| CN106239687A (en) * | 2016-08-26 | 2016-12-21 | 广西欧蒙人造板股份有限公司 | A kind of preparation method of 18mm medium density fibre board (MDF) |
| CN106313266A (en) * | 2016-08-26 | 2017-01-11 | 广西欧蒙人造板股份有限公司 | Manufacturing method of 15 mm medium density fiberboard |
| CN107756587A (en) * | 2017-09-07 | 2018-03-06 | 南京林业大学 | A kind of manufacture method and manufacturing equipment of no glue water-resistant type fiberboard |
| CN110003493A (en) * | 2019-04-15 | 2019-07-12 | 北京林业大学 | In-situ modified dregs of beans, adhesive and the preparation method and application thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106113216A (en) * | 2016-08-26 | 2016-11-16 | 广西欧蒙人造板股份有限公司 | A kind of preparation method of 25mm medium density fibre board (MDF) |
| CN106142284A (en) * | 2016-08-26 | 2016-11-23 | 广西欧蒙人造板股份有限公司 | A kind of preparation method of 9mm medium density fibre board (MDF) |
| CN106239687A (en) * | 2016-08-26 | 2016-12-21 | 广西欧蒙人造板股份有限公司 | A kind of preparation method of 18mm medium density fibre board (MDF) |
| CN106313266A (en) * | 2016-08-26 | 2017-01-11 | 广西欧蒙人造板股份有限公司 | Manufacturing method of 15 mm medium density fiberboard |
| CN107756587A (en) * | 2017-09-07 | 2018-03-06 | 南京林业大学 | A kind of manufacture method and manufacturing equipment of no glue water-resistant type fiberboard |
| CN110003493A (en) * | 2019-04-15 | 2019-07-12 | 北京林业大学 | In-situ modified dregs of beans, adhesive and the preparation method and application thereof |
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Application publication date: 20160224 |