CN106367021A - Formaldehyde-free adhesive and preparation method and application thereof - Google Patents
Formaldehyde-free adhesive and preparation method and application thereof Download PDFInfo
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- CN106367021A CN106367021A CN201610822345.4A CN201610822345A CN106367021A CN 106367021 A CN106367021 A CN 106367021A CN 201610822345 A CN201610822345 A CN 201610822345A CN 106367021 A CN106367021 A CN 106367021A
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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
-
- 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
-
- 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
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a formaldehyde-free adhesive which is mainly prepared from the following raw materials in parts by weight: 40-60 parts of vegetable proteins, 30-55 parts of plant fibers, 20-40 parts of crosslinking agents, 10-18 parts of initiators, 10-20 parts of magnesium oxide, 5-8 parts of copper naphthenate, 6-10 parts of silicon dioxide, 8-15 parts of 4-chorophenoxy-d-methyl propionic acid and 3-7 parts of auxiliary materials. The invention also provides a method for preparing the formaldehyde-free adhesive and application of the adhesive to preparation of formaldehyde-free palm fiber mats. The formaldehyde-free adhesive disclosed by the invention does not produce formaldehyde and is high in adhesive strength, corrosion resistance and stability, capable of being cured at normal temperature and high in adhesion speed. The preparation method disclosed by the invention is simple and convenient, various raw materials can be effectively utilized, and the cost is low. The palm fiber mat produced by the adhesive disclosed by the invention does not contain formaldehyde, and is high in hardness, high in corrosion resistance, high in flexibility and high in water resistance.
Description
Technical field
The present invention relates to macromolecular material, specifically a kind of Formaldehyde-free adhesive and its preparation method and application.
Background technology
Adhesive (adhesive): effect is waited with cohesion by sticking of interface, two or more product can be made
Or natural or synthesis, the organic or inorganic class material that material links together, it is referred to as adhesive, cry bonding again
Agent, traditionally referred to as glue.In brief, adhesive is exactly to pass through adhesive effect, makes homogeneity or heterogeneous body surface gluing
Agent links together, and it is continuous to have a stress distribution, lightweight, or sealing, the low feature of most technological temperature.Adhesive is applied to
Unlike material, the connection of different-thickness, ultra-thin specification and complex component.
Palm fibre pad is the stereo net material being processed into by crude palm cellosilk and adhesive, is widely used in
Produce the products such as mattress, spfa cushion, car mat.Palm fibre pad in the market according to have for raw material coconut fibre and mountain palm fibre
Fiber etc., coconut fibre is the cellosilk extracting from coconut husk, and mountain palm fibre is to extract from the brown piece of mountain palm or Petiolus Trachycarpi
Cellosilk.Conventional adhesive has natural emulsion, Lauxite etc..
Natural emulsion does not contain free formaldehyde, and the free formaldehyde in the palm fibre pad being produced for adhesive using natural emulsion is only
It is derived only from palm fibre itself, its content is extremely low, the environment-friendly products of formaldehydeless pure natural can be considered as.But using natural emulsion it is
The palm fibre pad quality that adhesive produces is softer, and commonly referred to cushion limits its application.
The palm fibre pad being produced for adhesive using Lauxite is neither too hard, nor too soft, and Lauxite is excellent because of cheap, performance
Good it is widely used.But the raw material due to preparing Lauxite includes formaldehyde, therefore in the production of Lauxite with used
Form aldehyde release is had, the palm fibre pad product using Lauxite processing also has Form aldehyde release, acquisition time is up to 3 in journey
~15 years, thus serious harm is caused to the healthy of people." qb 1952.2-2004 soft body furniture spring mattress pad " specifies
Free formaldehyde release is necessary≤0.050mg/m2H, according to detection department statistics, using the palm fibre pad of Lauxite production,
Generally all exceeded more than 30 times of the burst size of its free formaldehyde.
With the enhancing of people's environmental protection and health perception, and the raising of PARA FORMALDEHYDE PRILLS(91,95) harm understanding, the no first of environment protection health
Aldehyde palm fibre pad will replace the palm fibre pad being manufactured by Lauxite.Replace ureaformaldehyde using a kind of suitable Formaldehyde-free adhesive
Resin, for producing palm fibre pad, anticorrosion antiwear, bonding speed are fast, and make palm fibre pad product have suitable hardness and
Resistance to water.
Content of the invention
Goal of the invention: for problems of the prior art, the present invention provides a kind of Formaldehyde-free adhesive, this adhesive
Formaldehydeless release, and anti-corrosive properties are strong, stability is high, bonding speed is fast.A kind of formaldehydeless gluing of another object of the present invention
The preparation method and application of agent.
Technical scheme: to achieve these goals, a kind of Formaldehyde-free adhesive as described in the present invention, mainly by following heavy
Amount part raw material made by: vegetable protein 40-60 part, Plant fiber's 30-55 part, cross-linking agent 20-40 part, initiator 10-18 part,
Magnesium oxide 10-20 part, copper naphthenate 5-8 part, silicon dioxide 6-10 part, 4- chlorine Bezalip Tabletses 8-15 part, adjuvant 3-7 part.
Further, described Formaldehyde-free adhesive, mainly made by the raw material of following weight portion: vegetable protein 50-
55 parts, Plant fiber's 35-45 part, cross-linking agent 30-35 part, initiator 14-16 part, magnesium oxide 15-18 part, copper naphthenate 6-7 part,
Silicon dioxide 6-8 part, 4- chlorine Bezalip Tabletses 10-12 part, adjuvant 4-5 part.
Further, described vegetable protein be defatted soybean protein powder, defatted wheat egg albumen powder, degreased cottonseed meal powder and de-
One or more of fat Castor seed Meal powder.
Further, described Plant fiber be one of flax fiber, ramee, tossa and cocoanut fiber or
Several.
Further, described cross-linking agent be polyvinyl alcohol, poly- dially phthalate, any one in polyacrylate
Kind.
Further, described initiator be tert-butyl hydroperoxide, benzoyl peroxide, appointing in di-t-butyl peroxide
Meaning is a kind of.
Further, described adjuvant is any one in ethanol, ethylene glycol and glycerol.
The preparation method of above-mentioned Formaldehyde-free adhesive, comprises the steps:
(1) weigh raw material by above-mentioned recipe ratio, vegetable protein, Plant fiber's co-grinding add cross-linking agent and initiation
Agent is sufficiently stirred for mixing to obtain material a;
(2) material a is put in reactor and add magnesium oxide, 4- chlorine Bezalip Tabletses and adjuvant, add raw material gross weight
The water of 2-4 times of amount carries out first set reaction, adds copper naphthenate, silicon dioxide carries out the second secondary response, obtains material after reaction
b;
(3) distilled water of material b weight 1-2 times will be added in material b, be sufficiently stirred for obtaining final product Formaldehyde-free adhesive.
Further, the temperature of described first set reaction and the second secondary response is 50-70 DEG C, and rotating speed is 250-350rpm,
Time 2-5 hour.
Application in preparation formaldehyde-free palm fiber mat for the above-mentioned Formaldehyde-free adhesive.
Further, described formaldehyde-free palm fiber mat raw material is natural coconut palm cellosilk or natural mountain palm fibre silk.
Beneficial effect: compared by prior art, the Formaldehyde-free adhesive of the present invention has the advantage that the nothing in the present invention
Formaldehyde adhesive will not produce any formaldehyde, and degree of adhesion is high;Due to containing copper naphthenate and this adhesive anti-corrosive properties of silicon dioxide
By force, stability is high, both can solidify at normal temperatures, and it is fast to bind speed.The preparation method of the present invention is simple and convenient, Ke Yiyou
Effect ground utilizes various raw materials, low cost.Also formaldehydeless release in the production process of palm fibre pad that adhesive of the present invention produces, can
It is much smaller than 0.050mg/m to produce free formaldehyde release2H's (qb1952.2-2004 soft body furniture spring mattress pad)
Palm fibre pad, the free formaldehyde of palm fibre pad is derived only from natural palm fibre itself, thus fundamentally solving palm fibre pad
Form aldehyde release problem, can obtain the palm fibre pad product that hardness is strong, wearability is high, pliability good, resistance to water is strong.Meanwhile, originally
The raw material sources of the Formaldehyde-free adhesive of invention and production palm fibre pad are extensive, cost is relatively low, be suitable for industrialized production.
Specific embodiment
Embodiment 1
Prescription:
Vegetable protein: 40 parts of defatted soybean protein powder, Plant fiber: 30 parts of flax fiber, cross-linking agent: polyvinyl alcohol 20
Part, initiator: 10 parts of tert-butyl hydroperoxide, 10 parts of magnesium oxide, 5 parts of copper naphthenate, 6 parts of silicon dioxide, 4- chlorobenzene oxygen isobutyl
Sour 8 parts, adjuvant: 3 parts of ethanol.
Preparation method:
(1) weigh raw material by above-mentioned recipe ratio, vegetable protein, Plant fiber's co-grinding add cross-linking agent and initiation
Agent is sufficiently stirred for mixing to obtain material a;
(2) material a is put in reactor and add magnesium oxide, 4- chlorine Bezalip Tabletses and adjuvant, add raw material gross weight
The water of 2 times of amount carries out first set reaction, and the temperature of reaction is 50 DEG C, and rotating speed is 350rpm, time 2 h;Add aphthenic acids
Copper, silicon dioxide carry out the second secondary response, and the temperature of reaction is 70 DEG C, and rotating speed is 250rpm, 5 hours time, obtain thing after reaction
Matter b;
(3) distilled water of 2 times of material b weight will be added in material b, be sufficiently stirred for obtaining final product Formaldehyde-free adhesive.
Embodiment 2
Prescription:
Vegetable protein: 30 parts of degreased cottonseed meal powder and 30 parts of defat Castor seed Meal powder, Plant fiber: 20 parts of tossa and coconut palm
35 parts of subbundle, cross-linking agent: 40 parts of poly- dially phthalate, initiator benzoyl peroxide: 18 parts, 20 parts of magnesium oxide,
8 parts of copper naphthenate, 0 part of silica 1,15 parts of 4- chlorine Bezalip Tabletses, adjuvant: 7 parts of ethylene glycol.
Preparation method:
(1) weigh raw material by above-mentioned recipe ratio, vegetable protein, Plant fiber's co-grinding add cross-linking agent and initiation
Agent is sufficiently stirred for mixing to obtain material a;
(2) material a is put in reactor and add magnesium oxide, 4- chlorine Bezalip Tabletses and adjuvant, add raw material gross weight
The water of 4 times of amount carries out first set reaction, and the temperature of reaction is 70 DEG C, and rotating speed is 250rpm, 5 hours time;Add aphthenic acids
Copper, silicon dioxide carry out the second secondary response, and the temperature of reaction is 70 DEG C, and rotating speed is 250rpm, 5 hours time, obtain thing after reaction
Matter b;
(3) distilled water of 1 times of material b weight will be added in material b, be sufficiently stirred for obtaining final product Formaldehyde-free adhesive.
Embodiment 3
Prescription:
Vegetable protein: 50 parts of defatted wheat egg albumen powder, Plant fiber: 42 parts of ramee, cross-linking agent: polyacrylate 30
Part, initiator: 14 parts of di-t-butyl peroxide, 15 parts of magnesium oxide, 6 parts of copper naphthenate, 8 parts of silicon dioxide, 4- chlorobenzene oxygen isobutyl
Sour 12 parts, adjuvant: 5 parts of glycerol.
Preparation method:
(1) weigh raw material by above-mentioned recipe ratio, vegetable protein, Plant fiber's co-grinding add cross-linking agent and initiation
Agent is sufficiently stirred for mixing to obtain material a;
(2) material a is put in reactor and add magnesium oxide, 4- chlorine Bezalip Tabletses and adjuvant, add raw material gross weight
The water of 3 times of amount carries out first set reaction, and the temperature of reaction is 60 DEG C, and rotating speed is 300rpm, 3.5 hours time;Add cycloalkanes
Sour copper, silicon dioxide carry out the second secondary response, and the temperature of reaction is 60 DEG C, and rotating speed is 300rpm, and 3.5 hours time, after reaction
Obtain material b;
(3) distilled water of 1.5 times of material b weight will be added in material b, be sufficiently stirred for obtaining final product Formaldehyde-free adhesive.
Embodiment 4
Prescription:
Vegetable protein: 25 parts of defatted wheat egg albumen powder and 25 parts of degreased cottonseed meal powder, Plant fiber: 15 parts of flax fiber and
20 parts of ramee, cross-linking agent: 30 parts of polyacrylate, initiator: 14 parts of di-t-butyl peroxide, 15 parts of magnesium oxide, cycloalkanes
6 parts of sour copper, 6 parts of silicon dioxide, 10 parts of 4- chlorine Bezalip Tabletses, adjuvant: 4 parts of glycerol.
Preparation method:
(1) weigh raw material by above-mentioned recipe ratio, vegetable protein, Plant fiber's co-grinding add cross-linking agent and initiation
Agent is sufficiently stirred for mixing to obtain material a;
(2) material a is put in reactor and add magnesium oxide, 4- chlorine Bezalip Tabletses and adjuvant, add raw material gross weight
The water of 3 times of amount carries out first set reaction, and the temperature of reaction is 60 DEG C, and rotating speed is 300rpm, 3.5 hours time;Add cycloalkanes
Sour copper, silicon dioxide carry out the second secondary response, and the temperature of reaction is 60 DEG C, and rotating speed is 300rpm, and 3.5 hours time, after reaction
Obtain material b;
(3) distilled water of 1.5 times of material b weight will be added in material b, be sufficiently stirred for obtaining final product Formaldehyde-free adhesive.
Embodiment 5
Prescription:
Vegetable protein: 55 parts of defatted wheat egg albumen powder, Plant fiber: 45 parts of flax fiber, cross-linking agent: polyacrylate 35
Part, initiator: 16 parts of di-t-butyl peroxide, 18 parts of magnesium oxide, 7 parts of copper naphthenate, 8 parts of silicon dioxide, 4- chlorobenzene oxygen isobutyl
Sour 12 parts, adjuvant: 5 parts of glycerol.
Preparation method:
(1) weigh raw material by above-mentioned recipe ratio, vegetable protein, Plant fiber's co-grinding add cross-linking agent and initiation
Agent is sufficiently stirred for mixing to obtain material a;
(2) material a is put in reactor and add magnesium oxide, 4- chlorine Bezalip Tabletses and adjuvant, add raw material gross weight
The water of 3 times of amount carries out first set reaction, and the temperature of reaction is 60 DEG C, and rotating speed is 300rpm, 3.5 hours time;Add cycloalkanes
Sour copper, silicon dioxide carry out the second secondary response, and the temperature of reaction is 60 DEG C, and rotating speed is 300rpm, and 3.5 hours time, after reaction
Obtain material b;
(3) distilled water of 1.5 times of material b weight will be added in material b, be sufficiently stirred for obtaining final product Formaldehyde-free adhesive.
Embodiment 6
Using the adhesive of embodiment 3, with natural coconut palm cellosilk or natural mountain palm fibre silk as raw material, sequentially pass through paving
Dress, acupuncture, glue spraying, drying, section, hot pressing, trimming, inspection process;Glue spraying be mat formation in palm fibre pad suitable on production line
Position sprays into appropriate no-formaldehyde adhesive through plunger displacement pump, shower nozzle, and resin added is 15%;Described drying temperature is 30 DEG C;Described
Hot pressing temperature is 50 DEG C, and hot pressing time is different according to the thickness difference of product, is obtained and produces formaldehyde-free palm fiber mat.
Embodiment 7
Using the adhesive of embodiment 4, with natural coconut palm cellosilk or natural mountain palm fibre silk as raw material, sequentially pass through paving
Dress, acupuncture, glue spraying, drying, section, hot pressing, trimming, inspection process;Glue spraying be mat formation in palm fibre pad suitable on production line
Position sprays into appropriate no-formaldehyde adhesive through plunger displacement pump, shower nozzle, and resin added is 10%;Described drying temperature is 25 DEG C;Described
Hot pressing temperature is 40 DEG C, and hot pressing time is different according to the thickness difference of product, is obtained and produces formaldehyde-free palm fiber mat.
Embodiment 8
Using the adhesive of embodiment 5, with natural coconut palm cellosilk or natural mountain palm fibre silk as raw material, sequentially pass through paving
Dress, acupuncture, glue spraying, drying, section, hot pressing, trimming, inspection process;Glue spraying be mat formation in palm fibre pad suitable on production line
Position sprays into appropriate no-formaldehyde adhesive through plunger displacement pump, shower nozzle, and resin added is 18%;Described drying temperature is 27 DEG C;Described
Hot pressing temperature is 45 DEG C, and hot pressing time is different according to the thickness difference of product, is obtained and produces formaldehyde-free palm fiber mat.
Test example 1
The performance parameter detection of Formaldehyde-free adhesive of the present invention, with reference to gb/t14074-2006 and gb/t31125-2014 mark
Quasi- detection detection includes burst size of methanal, bonding strength, also detects anti-corrosion, stability, solidification temperature, bonding time simultaneously, ties
Fruit is shown in Table 1.
Comparative example 1 is the prescription and preparation method using the embodiment of the present invention 3, but is free from copper naphthenate and titanium dioxide
Silicon.
Comparative example 2 is the prescription and preparation method using the embodiment of the present invention 3, but is free from copper naphthenate.
Comparative example 3 is the prescription and preparation method using the embodiment of the present invention 3, but is free from silicon dioxide.
The performance parameter detection of table 1 adhesive
As shown in Table 1, compared with the Formaldehyde-free adhesive of the present invention and the urea-formaldehyde resin adhesive of prior art and contrast,
The adhesive of the embodiment of the present invention does not contain formaldehyde, and bonding strength is high, and corrosion resistance is strong, and stability is high, solidification temperature low normal temp 25-
30 DEG C can solidify, and bind and only need to 1-2min soon.
Test example 2
The properties of the formaldehyde-free palm fiber mat that detection Formaldehyde-free adhesive of the present invention produces, with reference to (qb1952.2-
2004 soft body furniture spring mattress pads) detection include free formaldehyde release, also include soft durometer, wear-resisting, pliability, resistance to water
Detection;Soft durometer test, is passed through by carrying out back and forth in coarse dull face by the impression to palm fibre pad quality, wearability test
Resile after long-time bending shape detection pliability, the results are shown in Table 2.
The properties of table 2 palm fibre pad
As shown in Table 2, the formaldehyde-free palm fiber mat that Formaldehyde-free adhesive of the present invention produces and existing natural emulsion are glue
The palm fibre pad that glutinous agent produces is compared, hardness is high, wearability is strong, pliability is good, resistance to water is strong, simultaneously free formaldehyde release remote
Less than 0.050mg/m2·h.
Claims (10)
1. a kind of Formaldehyde-free adhesive it is characterised in that main made by the raw material of following weight portion: vegetable protein 40-60
Part, Plant fiber's 30-55 part, cross-linking agent 20-40 part, initiator 10-18 part, magnesium oxide 10-20 part, copper naphthenate 5-8 part, two
Silicon oxide 6-10 part, 4- chlorine Bezalip Tabletses 8-15 part, adjuvant 3-7 part.
2. Formaldehyde-free adhesive according to claim 1 is it is characterised in that mainly made by the raw material of following weight portion
Become: vegetable protein 50-55 part, Plant fiber's 35-45 part, cross-linking agent 30-35 part, initiator 14-16 part, magnesium oxide 15-18 part,
Copper naphthenate 6-7 part, silicon dioxide 6-8 part, 4- chlorine Bezalip Tabletses 10-12 part, adjuvant 4-5 part.
3. Formaldehyde-free adhesive according to claim 1 is it is characterised in that described vegetable protein is skimmed soybean protein
One or more of powder, defatted wheat egg albumen powder, degreased cottonseed meal powder and defat Castor seed Meal powder.
4. Formaldehyde-free adhesive according to claim 1 is it is characterised in that described Plant fiber is flax fiber, Boehmeria
One or more of fiber, tossa and cocoanut fiber.
5. Formaldehyde-free adhesive according to claim 1 is it is characterised in that described cross-linking agent is polyvinyl alcohol, polyphenyl two
Any one in formic acid diallyl, polyacrylate.
6. Formaldehyde-free adhesive according to claim 1 it is characterised in that described initiator be tert-butyl hydroperoxide,
Any one in benzoyl peroxide, di-t-butyl peroxide.
7. the preparation method of the Formaldehyde-free adhesive described in claim 1 is it is characterised in that comprise the steps:
(1) weigh raw material by above-mentioned recipe ratio, vegetable protein, Plant fiber's co-grinding add cross-linking agent and initiator to fill
Stirring and evenly mixing is divided to obtain material a;
(2) material a is put in reactor and add magnesium oxide, 4- chlorine Bezalip Tabletses and adjuvant, add raw material gross weight 2-4
Water again carries out first set reaction, adds copper naphthenate, silicon dioxide carries out the second secondary response, obtains material b after reaction;
(3) distilled water of material b weight 1-2 times will be added in material b, be sufficiently stirred for obtaining final product Formaldehyde-free adhesive.
8. preparation method according to claim 7 is it is characterised in that the temperature of described first set reaction and the second secondary response
For 50-70 DEG C, rotating speed is 250-350rpm, time 2-5 hour.
9. application in preparation formaldehyde-free palm fiber mat for the Formaldehyde-free adhesive described in claim 1.
10. application according to claim 9 is it is characterised in that described formaldehyde-free palm fiber mat raw material is natural coconut palm fibre
Dimension silk or natural mountain palm fibre silk.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115572575A (en) * | 2022-10-26 | 2023-01-06 | 合肥科天水性科技有限责任公司 | Environment-friendly water-based wood adhesive and preparation method thereof |
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JPH02265983A (en) * | 1989-04-05 | 1990-10-30 | Daicel Chem Ind Ltd | Protein water-base adhesive composition |
CN102618210A (en) * | 2012-03-26 | 2012-08-01 | 田志壮 | Formaldehyde-free adhesive and method for producing formaldehyde-free palm fiber mattress by using same |
CN104962231A (en) * | 2014-06-25 | 2015-10-07 | 迈克尔.J.伯克兰 | Adhesive and method for applying adhesive to bonding of lignocellulose composite |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN115572575A (en) * | 2022-10-26 | 2023-01-06 | 合肥科天水性科技有限责任公司 | Environment-friendly water-based wood adhesive and preparation method thereof |
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