CN106118558A - A kind of environmental protection soybean-based sheet material adhesive and preparation method thereof - Google Patents

A kind of environmental protection soybean-based sheet material adhesive and preparation method thereof Download PDF

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Publication number
CN106118558A
CN106118558A CN201610656701.XA CN201610656701A CN106118558A CN 106118558 A CN106118558 A CN 106118558A CN 201610656701 A CN201610656701 A CN 201610656701A CN 106118558 A CN106118558 A CN 106118558A
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soybean
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毕全中
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Quanjiao Haifeng Printing Packaging Co Ltd
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Quanjiao Haifeng Printing Packaging Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F285/00—Macromolecular compounds obtained by polymerising monomers on to preformed graft polymers
    • 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
    • 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
    • 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
    • C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
    • 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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The invention discloses a kind of environmental protection soybean-based sheet material adhesive, it is made up of the raw material of following weight parts: myristic acid soda soap 0.7 1, saturated octadecanoyl amine 0.8 1, polyvinyl alcohol 24, defatted soybean flour 170 200, iron chloride 0.3 0.4, ferrous chloride 0.1 0.2, epoxychloropropane 0.8 1, N n-methylolacrylamide 23, styrene 16 20, potassium peroxydisulfate 0.1 0.2, hemicellulase 34, poly-methyl diphenylene diisocyanate 10 19, the hydrochloric acid solution 60 70 of 20 30%, lauryl glucosyl 0.6 1, stannous sulfide 12, Isooctyl acrylate monomer 0.5 1, cellulose phosphate 23, dimethylformamide 0.2 1, polyadipate ethylene glycol 35.The present invention is difficult to cause equipment corrosion, working life to deposit the features such as phase longer, formaldehydeless, residual monomer content is low, water-tolerant.

Description

A kind of environmental protection soybean-based sheet material adhesive and preparation method thereof
Technical field
The present invention relates to adhesive technical field, particularly relate to a kind of environmental protection soybean-based sheet material adhesive and preparation side thereof Method.
Background technology
Aldehyde system adhesive consumption in timber industry adhesive is maximum, but it exists shortcomings: primary raw material multi-source In the non-renewable resources such as oil, coal;Produce and use process constantly distributes carcinogen (such as formaldehyde), can be good for by harmful to human Health;Product non-degradable, easily pollutes environment.Therefore, biomass-based adhesive is researched and developed to substitute aldehyde system adhesive by the whole world Pay much attention to.In various biological materials, Semen sojae atricolor (including genetically engineered soybean) has that yield is big, low cost, vegetable protein contain Measure high feature, be good adhesive raw material;Research soybean-based adhesive so that it is all or part of petroleum replacing base gluing Agent, to reduce depletion of non-renewable resources, ensure food safety the most significant, be outside Present Domestic research focus；
Adhesive the most nontoxic, free of contamination is applied to become trend, plant along with using the exploitation of reproducible biomass from producing to The research of albumen adhesive causes the extensive concern of people.Wherein, utilizing soybean protein to prepare soybean-based adhesive is study hotspot, Improving its resistance to water is then primary study content, and it is the most resistance to that oneself there are some researches show that adhesive prepared by soybean protein isolate has Aqueous；But, SPI is isolatable from Semen sojae atricolor defatted soy flour, and the price of its costliness necessarily limits its application in terms of adhesive.Cause This, the DSF of cost and low percentages of protein becomes the preferred raw materials preparing water-resistant soybean base adhesive；
SPI and DSF, SPI that after preparation soybean-based adhesive mainly uses soybean extract oil at present, defat bean cypress produces derive from DSF, its soybean protein content is typically larger than 90%, it is easy to modified, the adhesive of preparation has good resistance to water.But SPI costliness Its application in terms of adhesive of price limit.Therefore, the DSF of cost and low percentages of protein become preparation resistance to water big The preferred material of bean base adhesive.A large amount of research methoies based on SPI adhesive are also used for modified DSF and prepare adhesive, and Achieve certain effect, it is thus achieved that low resistance to water (cold water or humid air), medium resistance to water (63 DEG C of water) and enhanced water resistance The modified soybean base adhesive formula of (boiling water);Wherein, enhanced water resistance soybean-based adhesive is mainly by excellent with boiling water resistance energy Obtain after different synthetic resin mixing.But, DSF is complicated mixture, by the soybean protein of nearly 50%, the carbon hydrate of 40% Thing and other micro constitutent form；
Current research method all lays particular emphasis on modified soybean protein therein, and is not directed to the carbohydrate of 40%, causes this Resistance to water after adhesive is solidified by component is inoperative, even plays negative interaction, wastes raw material.Additionally, have resistance to boiling Aqueous can be adhesive for making the precondition of outdoor cementing thing, if when with DSF glue so that it is in carbon hydrate Thing converts the component that raising adhesive resistance to water rises positive interaction, in conjunction with Soybean Protein Modification method, prepares the bean of resistance to boiling water base Adhesive, not only takes full advantage of raw material, can be also that a new way is opened up in the soybean-based adhesive research being applied to open air. The research solving problem that aldehyde system adhesive exists and the based Wood Adhesives that instructs other similar biomass to be raw material is all anticipated by this Justice is great；
Epoxy radicals is the polar group that a kind of work is dialled, and can form chemistry and be bonded with the radical reaction containing active oxygen, utilize containing epoxy The compound on organism matter adhesive of group is modified improving research existing many reports of its performance, if therefore used Containing epoxy compounds, it is modified, or access ring epoxide in the component containing these functional groups, necessarily can carry further High Semen sojae atricolor base adhesive resistance to water.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of environmental protection soybean-based sheet material adhesive and Preparation method.
The present invention is achieved by the following technical solutions:
A kind of environmental protection soybean-based sheet material adhesive, it is made up of the raw material of following weight parts:
Myristic acid soda soap 0.7-1, saturated octadecanoyl amine 0.8-1, polyvinyl alcohol 2-4, defatted soybean flour 170-200, chlorination Ferrum 0.3-0.4, ferrous chloride 0.1-0.2, epoxychloropropane 0.8-1, N hydroxymethyl acrylamide 2-3, styrene 16-20, mistake Potassium sulfate 0.1-0.2, hemicellulase 3-4, the hydrochloric acid solution 60-of poly-methyl diphenylene diisocyanate 10-19,20-30% 70, lauryl glucosyl 0.6-1, stannous sulfide 1-2, Isooctyl acrylate monomer 0.5-1, cellulose phosphate 2-3, dimethyl methyl Amide 0.2-1, polyadipate ethylene glycol 3-5.
The preparation method of a kind of described environmental protection soybean-based sheet material adhesive, comprises the following steps:
(1) by above-mentioned iron chloride, ferrous chloride, lauryl glucosyl mixing, join in the hydrochloric acid solution of 20-30%, stir Mix uniformly, obtain iron salt solutions；
(2) above-mentioned cellulose phosphate is joined in the deionized water of its weight 10-14 times, stir, add above-mentioned saturated Octadecanoyl amine, rises high-temperature and is 50-60 DEG C, and insulated and stirred 6-9 minute obtains fiber dispersion；
(3) above-mentioned defatted soybean flour is joined in the distilled water of its weight 20-27 times, stirs, add hemicellulase, Enzymolysis 18-20 minute at 50-55 DEG C, reduces temperature and is 26-30 DEG C, add above-mentioned iron salt solutions, be incubated 30-35 minute, add Entering the sodium hydroxide of 3-5mol/l, regulation pH is 5-6, adds above-mentioned epoxychloropropane, rises high-temperature and is 70-75 DEG C, and insulation is stirred Mixing 30-35 minute, add the sodium hydroxide of 3-5mol/l, regulation pH is 10-11, adds above-mentioned fiber dispersion, stirring reaction 30-40 minute, obtain epoxide modified Semen sojae atricolor latex；
(4) take above-mentioned myristic acid soda soap, rise high-temperature and be 70-89 DEG C, join in polyadipate ethylene glycol, insulated and stirred 7- 10 minutes, adding epoxide modified Semen sojae atricolor latex, stirring, to room temperature, obtains epoxide modified Semen sojae atricolor latex alcohol liquid；
(5) take above-mentioned epoxide modified Semen sojae atricolor latex alcohol liquid, be passed through nitrogen, rise high-temperature and be 70-75 DEG C, add above-mentioned N-methylol Acrylamide, drips acetic acid, and regulation pH is 5-6, and insulated and stirred 60-60 minute obtains acid amide-grafted epoxy soybean latex；
(6) take above-mentioned acid amide-grafted epoxy soybean latex, add above-mentioned polyvinyl alcohol, rise high-temperature and be 76-80 DEG C, insulated and stirred 20-30 minute, adding the 20-25% of above-mentioned styrene weight, the 18-20% of above-mentioned potassium peroxydisulfate weight, stirring mixing 10-20 divides Clock, drips remaining styrene, potassium peroxydisulfate, reduces temperature and is 40-45 DEG C, and insulation reaction 60-70 minute adds above-mentioned sulfuration Stannous, stirring, to room temperature, obtains Polystyrene grafting rubber made from soybean cake；
(7) above-mentioned Polystyrene grafting rubber made from soybean cake is mixed with remaining each raw material, stir, to obtain final product.
The invention have the advantage that using method:
During use, adhesive of the present invention 2-poly-with the firming agent of its weight 8-10% phenylmethane cyanate (PMDI) is mixed, stir Mixing uniformly, be coated on plate surface, plate surface coating amount is 280 g/m2, and after gluing, room temperature Guan Bi ageing 10 min, are re-fed into Press, sheeting process is: room temperature, 4.0 MPa, 40 min,.
First defatted soybean flour is used hemicellulose ferment treatment by the present invention, then by acid, alkali, salt Combined Treatment, can be by big Soybean protein partial hydrolysis, destroys oxygen key, unfolds the chondritic of soybean protein so that it is active center is exposed, and improves in adhesive The content of active function groups and reactivity, can form preferably crosslinking, thus improve its water resistance after causing its solidification, And the Semen sojae atricolor latex after hemicellulose ferment treatment contains substantial amounts of active group, such as-NH2 ,-C00H ,-OH etc., can be with epoxy chlorine Epoxy radicals generation chemical reaction in propane, is conducive to eliminating the hydrophilic radical in soybean-based adhesive, is cross-linked into said three-dimensional body Type structure, improves the resistance to water after its solidification, then utilizes methylol and the epoxy soybean base gluing of N hydroxymethyl acrylamide Agent contains the component reaction of these functional groups, forms grafting, and the vinyl in N hydroxymethyl acrylamide can be with styrene Monomer forms stable copolymer, and after styrene copolymerized, vinyl residual quantity declines, the phenyl in polystyrene structure, alkane Hydrocarbon methyl composition increases, and improves the stability of modified soybean base adhesive, and only containing phenyl, parent in styrene molecules structure Aqueous is little；Meanwhile, the more preferable phenyl ring of a large amount of stability is introduced into modification by copolymerization soybean-based adhesive, causes its resistance to water to improve. The styrene copolymerized modified soybean base adhesive of the present invention is difficult to cause equipment corrosion, working life to deposit, and the phase is longer, do not contain The features such as formaldehyde, residual monomer content are low, the feature of environmental protection, water-tolerant
The adhesive of the present invention, with defatted soybean flour as major ingredient, volatilizees without poisonous and harmful substance, uses process safety environmental protection.
Detailed description of the invention
A kind of environmental protection soybean-based sheet material adhesive, it is made up of the raw material of following weight parts:
Myristic acid soda soap 0.7, saturated octadecanoyl amine 0.8, polyvinyl alcohol 2, defatted soybean flour 170, iron chloride 0.3, chlorination Ferrous 0.1, epoxychloropropane 0.8, N n-methylolacrylamide 2, styrene 16, potassium peroxydisulfate 0.1, hemicellulase 3, poly-two The hydrochloric acid solution 60 of methylenebis phenyl isocyanate 10,20%, lauryl glucosyl 0.6, stannous sulfide 1, acrylic acid are different pungent Ester 0.5, cellulose phosphate 2, dimethylformamide 0.2, polyadipate ethylene glycol 3.
The preparation method of a kind of described environmental protection soybean-based sheet material adhesive, comprises the following steps:
(1) by above-mentioned iron chloride, ferrous chloride, lauryl glucosyl mixing, join in the hydrochloric acid solution of 20%, stirring Uniformly, iron salt solutions is obtained；
(2) above-mentioned cellulose phosphate is joined in the deionized water of its weight 10 times, stir, add above-mentioned saturated 18 Phosphoamide, rising high-temperature is 50 DEG C, and insulated and stirred 6 minutes obtains fiber dispersion；
(3) above-mentioned defatted soybean flour is joined in the distilled water of its weight 20 times, stir, add hemicellulase, Enzymolysis 18 minutes at 50 DEG C, reducing temperature is 26 DEG C, adds above-mentioned iron salt solutions, is incubated 30 minutes, adds the hydrogen-oxygen of 3mol/l Changing sodium, regulation pH is 5, adds above-mentioned epoxychloropropane, and rising high-temperature is 70 DEG C, and insulated and stirred 30 minutes adds 3mol/l's Sodium hydroxide, regulation pH is 10, adds above-mentioned fiber dispersion, stirring reaction 30 minutes, obtains epoxide modified Semen sojae atricolor latex；
(4) taking above-mentioned myristic acid soda soap, rising high-temperature is 70 DEG C, joins in polyadipate ethylene glycol, insulated and stirred 7 points Clock, adds epoxide modified Semen sojae atricolor latex, and stirring, to room temperature, obtains epoxide modified Semen sojae atricolor latex alcohol liquid；
(5) taking above-mentioned epoxide modified Semen sojae atricolor latex alcohol liquid, be passed through nitrogen, rising high-temperature is 70 DEG C, adds above-mentioned N methylol propylene Amide, drips acetic acid, and regulation pH is 5, and insulated and stirred 60 minutes obtains acid amide-grafted epoxy soybean latex；
(6) taking above-mentioned acid amide-grafted epoxy soybean latex, add above-mentioned polyvinyl alcohol, rising high-temperature is 76 DEG C, insulated and stirred 20 Minute, adding the 20% of above-mentioned styrene weight, the 18% of above-mentioned potassium peroxydisulfate weight, stirring mixes 10 minutes, drips remaining Styrene, potassium peroxydisulfate, reducing temperature is 40 DEG C, insulation reaction 60 minutes, adds above-mentioned stannous sulfide, and stirring, to room temperature, obtains Polystyrene grafting rubber made from soybean cake；
(7) above-mentioned Polystyrene grafting rubber made from soybean cake is mixed with remaining each raw material, stir, to obtain final product.
Performance test:
Viscosity 4.82Pa.s；
Bonding strength: 1.24Mpa.

Claims (2)

1. an environmental protection soybean-based sheet material adhesive, it is characterised in that it is made up of the raw material of following weight parts:
Myristic acid soda soap 0.7-1, saturated octadecanoyl amine 0.8-1, polyvinyl alcohol 2-4, defatted soybean flour 170-200, chlorination Ferrum 0.3-0.4, ferrous chloride 0.1-0.2, epoxychloropropane 0.8-1, N hydroxymethyl acrylamide 2-3, styrene 16-20, mistake Potassium sulfate 0.1-0.2, hemicellulase 3-4, the hydrochloric acid solution 60-of poly-methyl diphenylene diisocyanate 10-19,20-30% 70, lauryl glucosyl 0.6-1, stannous sulfide 1-2, Isooctyl acrylate monomer 0.5-1, cellulose phosphate 2-3, dimethyl methyl Amide 0.2-1, polyadipate ethylene glycol 3-5.
2. the preparation method of an environmental protection soybean-based sheet material adhesive as claimed in claim 1, it is characterised in that include following Step:
(1) by above-mentioned iron chloride, ferrous chloride, lauryl glucosyl mixing, join in the hydrochloric acid solution of 20-30%, stir Mix uniformly, obtain iron salt solutions；
(2) above-mentioned cellulose phosphate is joined in the deionized water of its weight 10-14 times, stir, add above-mentioned saturated Octadecanoyl amine, rises high-temperature and is 50-60 DEG C, and insulated and stirred 6-9 minute obtains fiber dispersion；
(3) above-mentioned defatted soybean flour is joined in the distilled water of its weight 20-27 times, stirs, add hemicellulase, Enzymolysis 18-20 minute at 50-55 DEG C, reduces temperature and is 26-30 DEG C, add above-mentioned iron salt solutions, be incubated 30-35 minute, add Entering the sodium hydroxide of 3-5mol/l, regulation pH is 5-6, adds above-mentioned epoxychloropropane, rises high-temperature and is 70-75 DEG C, and insulation is stirred Mixing 30-35 minute, add the sodium hydroxide of 3-5mol/l, regulation pH is 10-11, adds above-mentioned fiber dispersion, stirring reaction 30-40 minute, obtain epoxide modified Semen sojae atricolor latex；
(4) take above-mentioned myristic acid soda soap, rise high-temperature and be 70-89 DEG C, join in polyadipate ethylene glycol, insulated and stirred 7- 10 minutes, adding epoxide modified Semen sojae atricolor latex, stirring, to room temperature, obtains epoxide modified Semen sojae atricolor latex alcohol liquid；
(5) take above-mentioned epoxide modified Semen sojae atricolor latex alcohol liquid, be passed through nitrogen, rise high-temperature and be 70-75 DEG C, add above-mentioned N-methylol Acrylamide, drips acetic acid, and regulation pH is 5-6, and insulated and stirred 60-60 minute obtains acid amide-grafted epoxy soybean latex；
(6) take above-mentioned acid amide-grafted epoxy soybean latex, add above-mentioned polyvinyl alcohol, rise high-temperature and be 76-80 DEG C, insulated and stirred 20-30 minute, adding the 20-25% of above-mentioned styrene weight, the 18-20% of above-mentioned potassium peroxydisulfate weight, stirring mixing 10-20 divides Clock, drips remaining styrene, potassium peroxydisulfate, reduces temperature and is 40-45 DEG C, and insulation reaction 60-70 minute adds above-mentioned sulfuration Stannous, stirring, to room temperature, obtains Polystyrene grafting rubber made from soybean cake；
(7) above-mentioned Polystyrene grafting rubber made from soybean cake is mixed with remaining each raw material, stir, to obtain final product.
CN201610656701.XA 2016-08-12 2016-08-12 A kind of environmental protection soybean-based sheet material adhesive and preparation method thereof Withdrawn CN106118558A (en)

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Application Number Priority Date Filing Date Title
CN201610656701.XA CN106118558A (en) 2016-08-12 2016-08-12 A kind of environmental protection soybean-based sheet material adhesive and preparation method thereof

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