CN109929506A - A kind of protein adhesive and preparation method thereof - Google Patents
A kind of protein adhesive and preparation method thereof Download PDFInfo
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- CN109929506A CN109929506A CN201910268686.5A CN201910268686A CN109929506A CN 109929506 A CN109929506 A CN 109929506A CN 201910268686 A CN201910268686 A CN 201910268686A CN 109929506 A CN109929506 A CN 109929506A
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Abstract
A kind of protein adhesive and preparation method thereof, belongs to adhesive technology field.A kind of protein adhesive, according to parts by weight include following raw material: 90~150 parts of water, 50~80 parts of collagens, 6~12 parts of monomers with amino, 6~10 parts of chain alkyl activated monomers and 10~15 parts of epoxy alkyl halides, collagen are to extract to obtain from tanning waste.By making collagen, the monomer with amino and chain alkyl activated monomer be crosslinked to obtain protein adhesive in the environment of water with epoxy alkyl halide crosslinking agent, any substance for capableing of release formaldehyde is not contained in this protein adhesive, it is harmless, belong to green non-pollution adhesive, it is very environmentally friendly, collagen is to extract to obtain from tanning waste, and reaching turns waste into wealth, and the synthesis cost of adhesive reduces.The preparation method of protein adhesive is easy, and adhesive effective component obtained is higher.
Description
Technical field
The present invention relates to a kind of adhesive technology fields, and in particular to a kind of protein adhesive and preparation method thereof.
Background technique
The industrial adhesive of wood/bamboo wood is still based on adhesive made of synthetic resin at present, wherein Lauxite, phenolic aldehyde tree
Rouge and the so-called three formaldehyde resins of melamine resin, account for entire wood/bamboo wood glue 80% or more.In three formaldehyde resins, urea
The dosage of urea formaldehyde has been more than 90%, mainly since Lauxite has raw material sources extensive, cheap, easy to use, just viscous
A series of the advantages of of meeting as wood/Bamboo adhesive such as property is good, manufacturing process is simple, cured glue layer is colourless.Three formaldehyde resins
Have the shortcomings that one it is fatal, i.e., wood-based plate made from it can constantly release formaldehyde during manufacture and use, danger
Evil environment and people's health.In today that environmental issue receives much attention, the U.S. and Japan have successively put into effect limitation Form aldehyde release
Amount standard, this is undoubtedly to go out at present to China artifical plate product in the world about the most strict standard for limiting burst size of methanal
Mouth brings stern challenge.Environmental issue becomes increasingly conspicuous, synthetic resin cost rises steadily, technical barrier all the more harshness etc.
Under multiple pressure, research has become the new outlet of industry of artificial boards using renewable resource as the environment-friendly type natural adhesive of raw material.
There are the based Wood Adhesives of formaldehyde not only to cause very big influence to environment, while also having to the health of people negative
The influence in face, and it is all higher without aldehyde glue base price at present, and also performance differs greatly.Develop environmentally protective gluing
Agent is imperative.
Summary of the invention
The embodiment of the present invention provides a kind of protein adhesive and preparation method thereof, and protein adhesive of the invention does not add
Add any substance for capableing of release formaldehyde, belongs to green non-pollution adhesive, it is very environmentally friendly, it is suitable for human health.This hair simultaneously
Bright protein adhesive waste utilization turns waste into wealth, is cheap.
First aspect present invention provides a kind of protein adhesive, and according to parts by weight, protein adhesive includes following
Raw material: 90~150 parts of water, 50~80 parts of collagens, 6~12 parts of monomers with amino, 6~10 parts of chain alkyl activated monomers
With 10~15 parts of epoxy alkyl halides, collagen is to extract to obtain from tanning waste.
In the above-mentioned technical solutions, by making collagen, the monomer with amino and chain alkyl activated monomer with epoxy
Alkyl halide is that crosslinking agent be crosslinked in the environment of water and obtains protein adhesive, do not contained in this protein adhesive it is any can
The substance of release formaldehyde, it is harmless, belong to green non-pollution adhesive, it is very environmentally friendly, while collagen is from process hides
It extracts and obtains in waste, turn waste into wealth, the synthesis cost of adhesive reduces.
Artifical plate product is made for industry bonding timber, bamboo wood in this protein adhesive, due to not containing release formaldehyde
Substance, meet the U.S. and Japan limitation burst size of methanal standard, be conducive to the outlet of China artifical plate product.
In some embodiments of aforementioned first aspect, the monomer with amino includes urea, dicyandiamide, melamine, two
Any one in ethylene triamine and triethylene tetramine or two kinds.
In the present embodiment, urea also known as carbamide are white crystal under normal temperature and pressure, are dissolved in water, structural formula is
Dicyandiamide also known as dicyanodiamine are abbreviated as DICY or DCD, are the dimers of cyanamide, are white knot under normal temperature and pressure
Crystalline flour end, water-soluble, structural formula is
Melamine also known as melamine, extract of protein, the next white monoclinic crystal of normal temperature and pressure, are slightly soluble in water, structural formula is
Diethylenetriamine is that yellow has hygroscopic clear viscous liquids, is in strong basicity, is dissolved in water, structural formula is
Triethylene tetramine is lurid viscous liquid, is in strong basicity, is dissolved in water, structural formula is
In some embodiments of aforementioned first aspect, chain alkyl activated monomer includes alkyl sulfonyl chloride, 15~18 alkane
Any one in base alkyl chloride and 12~18 alkylols.
In the present embodiment, alkyl sulfonyl chloride is generated through sulphur, chlorination reaction pale yellow using natural oil n-alkane as raw material
Color or brown oil liquid, structural formula are
15~18 alkyl alkyl chlorides are that hydrogen moiety or whole are substituted with halogen atoms the compound to be formed in alkane, are tied
Structure general formula is R-X (R is alkyl, and X is halogen atom), chemical formula C15~18HnXm(number+2 of n+m=2 times of C).
12~18 alkylols are the compounds that hydroxyl and alkyl are directly connected to, and general structure is R-OH (R is alkyl), are changed
Formula is C12~18H25~37OH。
In some embodiments of aforementioned first aspect, epoxy alkyl halide includes epoxychloropropane or epoxy bromopropane.
In the present embodiment, epoxychloropropane is the stabilizer and chemical intermediate of a kind of oxygen carrier, and structural formula is
Epoxy bromopropane structural formula is
In some embodiments of aforementioned first aspect, protein adhesive includes 1~3 part of metallic compound, metallization
Closing object includes any one in zinc oxide, zinc sulfate, aluminium oxide and aluminum sulfate.
In the present embodiment, metallic compound can increase the cross-link intensity of protein adhesive, to increase protein adhesive
The viscosity and bonding force of glutinous agent.
In some embodiments of aforementioned first aspect, protein adhesive includes 1~3 portion of preservative, and preservative includes
Boratex or boric acid.
In the present embodiment, on the one hand band in adhesive manufacturing process can be prevented by adding preservative in protein adhesive
Enter microorganism to which the timber, the bamboo wood that keep protein adhesive rotten and paste are corroded, on the other hand inhibits protein adhesive
Timber, the bamboo wood of glutinous agent bonding in abutting edge generation microorganism and then decay wood, bamboo wood and cause protein adhesive to become
Property influences its property.
In some embodiments of aforementioned first aspect, protein adhesive includes 10~20 parts of fillers, and filler includes light
Any one in calcium, kaolin, talcum powder and diatomite or two kinds.
In the present embodiment, filler is added to the wet strength that protein adhesive not only can be enhanced in protein adhesive,
It also can be reduced the cost of manufacture protein adhesive.
Second aspect of the present invention provides a kind of preparation method of protein adhesive comprising by collagen, band amino
Monomer, chain alkyl activated monomer and epoxy alkyl halide mixing take water as a solvent carry out cross-linking reaction.
In the above-mentioned technical solutions, take water as a solvent, collagen, the monomer with amino, chain alkyl activated monomer and
Epoxy alkyl halide is mutually bonded the more stable molecule for being cross-linked into network structure, so that the viscosity of solution be made to improve, enables solution
Timber and bamboo wood etc. are bonded as adhesive.
In some embodiments of aforementioned second aspect, cross-linking reaction process includes by water, collagen, with the list of amino
Body, chain alkyl activated monomer and epoxy alkyl halide are blended at 45~75 DEG C using alkali as 3~6h of catalyst reaction, control reaction
Object viscosity stops reaction, as requires product in 5000~7000mPas.
In the present embodiment, cross-linking reaction carries out at 45~75 DEG C, and using alkali as catalyst, alkali include sodium hydroxide,
Any one or more in calcium hydroxide and potassium hydroxide, to reactant viscosity to 5000~7000mPas, then collagen
The degree of cross linking reaches the standard of adhesive, stops reaction at this time, if continuing to be crosslinked, it is excessive to may cause collagen molecules amount,
The excessive viscosity of the volume of molecular formed after crosslinking declines to form gel, loses viscosity.
In some embodiments of aforementioned second aspect, after the completion of cross-linking reaction, at 50~60 DEG C, reactant is adjusted
PH to 7~8, be added 1~3 part of metallic compound stir evenly, at room temperature, be added 1~3 portion of preservative, be added 10~20
Part filler stirs evenly.
In the present embodiment, metallic compound is added at 50~60 DEG C, and preservative and filler are added at room temperature, needs
Illustrate, in order to effectively prevent microorganism from entering in protein adhesive, after protein adhesive prepares, immediately plus
Enter preservative.Filler can be added at any time, it might even be possible to add before use.
Specific embodiment
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, according to normal conditions or manufacturer builds
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
A kind of protein adhesive of the embodiment of the present invention and preparation method thereof is specifically described below.
A kind of protein adhesive is provided in the embodiment of the present invention, according to parts by weight, adhesive includes following raw material: 90
~150 parts of water, 50~80 parts of collagens, 6~12 parts of monomers with amino, 6~10 parts of chain alkyl activated monomers and 10~
15 parts of epoxy alkyl halides, collagen are to extract to obtain from tanning waste.
Collagen, the monomer with amino and chain alkyl activated monomer using epoxy alkyl halide as crosslinking agent water environment
Middle crosslinking obtains protein adhesive, in this protein adhesive do not contain any substance for capableing of release formaldehyde, to human body without
Evil, belongs to green non-pollution adhesive, very environmentally friendly, while collagen is extracts to obtain from tanning waste, become give up into
The synthesis cost of treasured, adhesive reduces.
Monomer with amino and chain alkyl activated monomer can form a plurality of branch, epoxy on the collagen of long-chain
It is network-like that a plurality of branch chain link ultimately forms branch by alkyl halide.
Collagen is extracted from the wastes such as scrap leather, scurf and skin slag in process hides and is obtained, molecular weight 2000~
Between 5000.
Monomer with amino includes any one in urea, dicyandiamide, melamine, diethylenetriamine and triethylene tetramine
Or two kinds.
Urea also known as carbamide are white crystal under normal temperature and pressure, are dissolved in water, structural formula is
Dicyandiamide also known as dicyanodiamine are abbreviated as DICY or DCD, are the dimers of cyanamide, are white knot under normal temperature and pressure
Crystalline flour end, water-soluble, structural formula is
Melamine also known as melamine, extract of protein, the next white monoclinic crystal of normal temperature and pressure, are slightly soluble in water, structural formula is
Diethylenetriamine is that yellow has hygroscopic clear viscous liquids, is in strong basicity, is dissolved in water, structural formula is
Triethylene tetramine is lurid viscous liquid, is in strong basicity, is dissolved in water, structural formula is
Chain alkyl activated monomer includes any one in alkyl sulfonyl chloride, 15~18 alkyl alkyl chlorides and 12~18 alkylols
Kind.
Alkyl sulfonyl chloride is to generate light yellow or brown oil through sulphur, chlorination reaction using natural oil n-alkane as raw material
Shape liquid, structural formula are
15~18 alkyl alkyl chlorides are that hydrogen moiety or whole are substituted with halogen atoms the compound to be formed in alkane, are tied
Structure general formula is R-X (R is alkyl, and X is halogen atom), chemical formula C15~18HnXm(number+2 of n+m=2 times of C).
12~18 alkylols are the compounds that hydroxyl and alkyl are directly connected to, and general structure is R-OH (R is alkyl), are changed
Formula is C12~18H25~37OH。
Epoxy alkyl halide includes epoxychloropropane or epoxy bromopropane.
Epoxychloropropane is the stabilizer and chemical intermediate of a kind of oxygen carrier, and structural formula is
Epoxy bromopropane structural formula is
Optionally, the raw material of protein adhesive includes 1~3 part of metallic compound, and metallic compound can increase albumen
The cross-link intensity of matter adhesive, to increase the viscosity and bonding force of protein adhesive.Metallic compound includes zinc oxide, sulphur
Any one in sour zinc, aluminium oxide and aluminum sulfate.
Optionally, the raw material of protein adhesive includes 1~3 portion of preservative, on the one hand preservative can prevent adhesive
Bring microorganism in manufacturing process into which the timber, the bamboo wood that keep protein adhesive rotten and paste are corroded, on the other hand
Timber, the bamboo wood of inhibition protein adhesive bonding in abutting edge generation microorganism and then decay wood, bamboo wood and lead to egg
The denaturation of white matter adhesive influences its property.Preservative includes Boratex or boric acid.
Optionally, the raw material of protein adhesive includes 10~20 parts of fillers, and filler is added in protein adhesive not
The wet strength of protein adhesive only can be enhanced, moreover it is possible to reduce the cost of manufacture protein adhesive.Filler includes light calcium, height
Any one in ridge soil, talcum powder and diatomite or two kinds.
A kind of protein adhesive provided in an embodiment of the present invention is applied to timber and processes glued board, by the way of hot pressing
Bonding regards the usage amount of the different every square meters of the plate number of plies as 2~8kg, and hot pressing platen temperature is 110~130 DEG C, hot pressing time 20
~50min.
A kind of preparation method of protein adhesive is also provided in the embodiment of the present invention comprising by collagen, band ammonia
Monomer, chain alkyl activated monomer and the mixing of epoxy alkyl halide of base take water as a solvent carry out cross-linking reaction.
Optionally, after cross-linking reaction, metallic compound, preservative and filler is added and stirs evenly.
Experimentation includes by 90~150 parts of water, 50~80 parts of collagens, 6~12 parts of monomers with amino, 6~10
Part chain alkyl activated monomer and 10~15 parts of epoxy alkyl halides are added in reaction kettles, and turn on agitator is warming up to 45~55 DEG C,
12~20 parts of lye are slowly added dropwise, reacts 1~2h, further heats up to 65~75 DEG C, react 2~4h, measure reactant viscosity
To 5000~7000mPas, stop heating, be down to 50~60 DEG C to temperature, lye is used to adjust solution PH as 7~8, by 1~
3 parts of metallic compounds are configured to solution and are added in reaction kettle, after mixing evenly, continue after being cooled to room temperature, are added 1~3 part
Preservative closes blender.10~20 parts of fillers are added when use.
It should be noted that turn on agitator is to the time closed between blender, blender is constantly in working condition.
Lye includes but does not limit any one or more in sodium hydroxide, calcium hydroxide and potassium hydroxide.
Feature and performance of the invention are described in further detail with reference to embodiments.
Embodiment 1
The embodiment of the present invention provides a kind of protein adhesive.
According to parts by weight, protein adhesive includes following raw material: 120 parts of water, 60 parts extracted from tanning waste
Obtained collagen, 9 parts of urea, 8 parts of alkyl sulfonyl chlorides and 12 parts of epoxychloropropane.
Embodiment 2
The embodiment of the present invention provides a kind of protein adhesive.
According to parts by weight, protein adhesive includes following raw material: 120 parts of water, 60 parts extracted from tanning waste
Obtained collagen, 9 parts of dicyandiamides, 8 part of 15 alkyl alkyl chloride, 12 parts of epoxy bromopropanes, 2 parts of zinc oxide, 2 parts of Boratexes and
15 parts of light calciums.
Embodiment 3
The embodiment of the present invention provides a kind of protein adhesive.
According to parts by weight, protein adhesive includes following raw material: 150 parts of water, 80 parts extracted from tanning waste
Obtained collagen, 12 parts of melamines, 10 part of 16 alkylol, 15 parts of epoxychloropropane, 3 parts of zinc sulfate, 3 parts of boric acid and 20
Part kaolin.
Embodiment 4
The embodiment of the present invention provides a kind of protein adhesive.
According to parts by weight, protein adhesive includes following raw material: 90 parts of water, 50 parts extracted from tanning waste
Collagen, 6 parts of diethylenetriamines, 6 part of 12 alkylol, 10 parts of epoxy bromopropanes, 1 part of aluminium oxide, the 1 part of Boratex and 10 arrived
Part talcum powder.
Embodiment 5
The embodiment of the present invention provides a kind of protein adhesive.
According to parts by weight, protein adhesive includes following raw material: 130 parts of water, 70 parts extracted from tanning waste
Obtained collagen, 10 parts of triethylene tetramines, 10 part of 18 alkyl alkyl chloride, 13 parts of epoxy bromopropanes, 1.5 parts of aluminum sulfate, 1.5
Part boric acid and 18 parts of diatomite.
Embodiment 6
The embodiment of the present invention provides a kind of preparation method of protein adhesive, and the protein adhesive of embodiment 1 is prepared
Glutinous agent.
By 120 parts of water, 60 parts of collagens extracted from tanning waste, 9 parts of urea, 8 parts of alkyl sulfonyl chlorides
It being added in reaction kettle with 12 parts of epoxychloropropane, turn on agitator is warming up to 50 DEG C, 15 parts of sodium hydroxide solutions are slowly added dropwise,
1.5h is reacted, is further heated up to 70 DEG C, 3h is reacted, measuring reactant viscosity is 6130mPas, stops heating, is dropped to temperature
To 50 DEG C, using sodium hydroxide solution to adjust pH value of solution is 7.63, is down to the obtained protein adhesive of room temperature.
Embodiment 7
The embodiment of the present invention provides a kind of preparation method of protein adhesive, and the protein adhesive of embodiment 2 is prepared
Glutinous agent.
By 120 parts of water, 60 parts of collagens extracted from tanning waste, 9 parts of urea, 8 parts of alkyl sulfonyl chlorides
It being added in reaction kettle with 12 parts of epoxychloropropane, turn on agitator is warming up to 50 DEG C, 15 parts of sodium hydroxide solutions are slowly added dropwise,
1.5h is reacted, is further heated up to 70 DEG C, 3h is reacted, measuring reactant viscosity is 5941mPas, stops heating, is dropped to temperature
To 50 DEG C, uses sodium hydroxide solution to adjust pH value of solution as 7.48,2 parts of zinc oxide is configured to solution and are added in reaction kettle,
After mixing evenly, continue after being cooled to room temperature, be added 2 parts of Boratexes, close blender, be made protein adhesive, when use
15 parts of light calciums are added.
Embodiment 8
The embodiment of the present invention provides a kind of preparation method of protein adhesive, and the protein adhesive of embodiment 3 is prepared
Glutinous agent.
By 150 parts of water, 80 parts of collagens extracted from tanning waste, 12 parts of melamines, 10 part of 16 alkane
Base alcohol, 15 parts of epoxychloropropane are added in reaction kettle, and turn on agitator is warming up to 55 DEG C, and it is molten that 20 parts of potassium hydroxide are slowly added dropwise
Liquid reacts 2h, further heats up to 75 DEG C, reacts 4h, and measuring reactant viscosity is 6482mPas, stops heating, to temperature
55 DEG C are down to, uses potassium hydroxide solution to adjust pH value of solution as 7.18,3 parts of zinc sulfate is configured to solution and are added to reaction kettle
In, after mixing evenly, continue after being cooled to room temperature, be added 3 parts of boric acid, close blender, be made protein adhesive, when use
20 parts of kaolin are added.
Embodiment 9
The embodiment of the present invention provides a kind of preparation method of protein adhesive, and the protein adhesive of embodiment 4 is prepared
Glutinous agent.
By 90 parts of water, 50 parts of collagens extracted from tanning waste, 6 parts of diethylenetriamines, 6 part of 12 alkyl
Alcohol, 10 parts of epoxy bromopropanes are added in reaction kettle, and turn on agitator is warming up to 45 DEG C, and 12 parts of calcium hydroxide solutions are slowly added dropwise,
1h is reacted, is further heated up to 65 DEG C, 2h is reacted, measuring reactant viscosity is 5279mPas, stops heating, is down to temperature
It 52 DEG C, uses calcium hydroxide solution to adjust pH value of solution as 7.26,1 part of aluminium oxide is configured to solution and is added in reaction kettle, is stirred
After mixing uniformly, continue after being cooled to room temperature, be added 1 part of Boratex, close blender, be made protein adhesive, when use adds
Enter 10 parts of talcum powder.
Embodiment 10
The embodiment of the present invention provides a kind of preparation method of protein adhesive, and the protein adhesive of embodiment 5 is prepared
Glutinous agent.
By 130 parts of water, 70 parts of collagens extracted from tanning waste, 10 parts of triethylene tetramines, 10 part 18
Alkyl alkyl chloride, 13 parts of epoxy bromopropanes are added in reaction kettle, and turn on agitator is warming up to 50 DEG C, and 18 parts of hydrogen-oxygens are slowly added dropwise
Change sodium solution, reacts 1.8h, further heats up to 72 DEG C, reacts 3.5h, and measuring reactant viscosity is 6750mPas, stops adding
Heat is down to 60 DEG C to temperature, uses sodium hydroxide solution to adjust pH value of solution as 7.87,1.5 parts of aluminum sulfate are configured to solution and are added
Enter into reaction kettle, after mixing evenly, continue after being cooled to room temperature, 1.5 parts of boric acid are added, close blender, protein is made
18 parts of diatomite are added when use for adhesive.
Comparative example 1
Comparative example of the present invention provides a kind of preparation method of protein adhesive.
By 120 parts of water, 60 parts of collagens extracted from tanning waste, 9 parts of urea, 8 parts of alkyl sulfonyl chlorides
It being added in reaction kettle with 12 parts of epoxychloropropane, turn on agitator is warming up to 30 DEG C, 15 parts of sodium hydroxide solutions are slowly added dropwise,
React 1.5h, further heat up to 40 DEG C, react 3h, stop heating, use sodium hydroxide solution adjust pH value of solution be 7.54, by
2 parts of zinc oxide are configured to solution and are added in reaction kettle, after mixing evenly, continue after being cooled to room temperature, and 2 parts of Boratexes are added,
Blender is closed, protein adhesive is made, 15 parts of light calciums are added when use.
Protein adhesive made from Example 1~5, comparative example 1 and urea-formaldehyde resin adhesive respectively, surveys its bonding
Bonding force when timber, as shown in table 1:
The bonding wood power of the measurement adhesive of table 1
As shown in Table 1, it is compared by Examples 1 to 5 and urea-formaldehyde resin adhesive it is found that albumen provided in an embodiment of the present invention
The effect of bonding wood power of glue adhesive is strong, is fully able to competent bonding timber, reaches bonding timber, is bonded made of timber
Slab products performance is stablized.And comparative example 1 causes collagen not to be crosslinked since synthesis temperature is inadequate, keeps its bonding force remote
Bonding timber is far not achieved.
Protein adhesive made from Example 1~5, comparative example 1 and urea-formaldehyde resin adhesive is bonded timber respectively
After obtaining slab products, slab products obtained are respectively placed in identical narrow confined space, measure confined space 10 respectively
It, 30 days and the burst size of methanal after 100 days, as shown in table 2:
Table 2 measures burst size of methanal
As shown in Table 2, it is compared by Examples 1 to 5 and urea-formaldehyde resin adhesive it is found that albumen provided in an embodiment of the present invention
Slab products made of glue adhesive bonding timber are harmless entirely without Form aldehyde release.
In conclusion a kind of protein adhesive and preparation method thereof of the embodiment of the present invention, by making collagen, band
The monomer and chain alkyl activated monomer of amino, which are crosslinked in the environment of water using epoxy alkyl halide as crosslinking agent, obtains protein adhesive
Agent is sticked, any substance for capableing of release formaldehyde is not contained in this protein adhesive, it is harmless, belong to green non-pollution glue
Glutinous agent, it is very environmentally friendly, while collagen is to extract to obtain from tanning waste, is turned waste into wealth, the synthesis cost of adhesive
It reduces.Metallic compound is added in protein adhesive simultaneously improves the cross-link intensity of adhesive, and preservative, which is added, prevents glue
Glutinous agent denaturation, filler, which is added, reduces cost, enhances adhesive property.The preparation method of protein adhesive is easy, glue obtained
Glutinous agent effective component is higher.
Embodiments described above is a part of the embodiment of the present invention, instead of all the embodiments.Reality of the invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of selected implementation of the invention
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Claims (10)
1. a kind of protein adhesive, which is characterized in that according to parts by weight, the protein adhesive includes following raw material:
90~150 parts of water, 50~80 parts of collagens, 6~12 parts of monomers with amino, 6~10 parts of chain alkyl activated monomers and 10
~15 parts of epoxy alkyl halides, the collagen are to extract to obtain from tanning waste.
2. protein adhesive according to claim 1, which is characterized in that the monomer with amino includes urea, double
Any one in cyanamide, melamine, diethylenetriamine and triethylene tetramine or two kinds.
3. protein adhesive according to claim 1, which is characterized in that the chain alkyl activated monomer includes alkyl
Any one in sulfonic acid chloride, 15~18 alkyl alkyl chlorides and 12~18 alkylols.
4. protein adhesive according to claim 1, which is characterized in that the epoxy alkyl halide includes epoxychloropropane
Or epoxy bromopropane.
5. protein adhesive according to claim 1, which is characterized in that the protein adhesive includes 1~3 part of gold
Belong to compound, the metallic compound includes any one in zinc oxide, zinc sulfate, aluminium oxide and aluminum sulfate.
6. protein adhesive according to claim 1, which is characterized in that the protein adhesive includes 1~3 part anti-
Rotten agent, the preservative include Boratex or boric acid.
7. protein adhesive according to claim 1, which is characterized in that the protein adhesive includes 10~20 parts
Filler, the filler include any one in light calcium, kaolin, talcum powder and diatomite or two kinds.
8. a kind of prepare the preparation method such as the described in any item protein adhesives of Claims 1 to 4, which is characterized in that institute
The preparation method for stating protein adhesive includes by the collagen, the monomer with amino, chain alkyl activity
Monomer and epoxy alkyl halide mixing take water as a solvent carry out cross-linking reaction.
9. the preparation method of protein adhesive according to claim 8, which is characterized in that cross-linking reaction process includes will
Water, the collagen, the monomer with amino, the chain alkyl activated monomer and the epoxy alkyl halide are blended in 45
Using alkali as 3~6h of catalyst reaction at~75 DEG C, control reactant viscosity stops reaction, as in 5000~7000mPas
It is required that product.
10. the preparation method of protein adhesive according to claim 9, which is characterized in that after the completion of cross-linking reaction,
At 50~60 DEG C, the PH to 7~8 of the reactant is adjusted, 1~3 part of metallic compound is added and stirs evenly, at room temperature,
1~3 portion of preservative is added, 10~20 parts of fillers are added and stir evenly.
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| ZHANG, YI等: ""Preparation and characterization of a soy protein-based high-performance adhesive with a hyperbranched cross-linked structure"", 《CHEMICAL ENGINEERING JOURNAL 》 * |
| 王成云等: ""表面活性剂在制革工业中的应用"", 《皮革化工》 * |
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| CN109929506B (en) | 2021-04-13 |
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