CN108117769A - A kind of modification biological fiber and preparation method thereof - Google Patents
A kind of modification biological fiber and preparation method thereof Download PDFInfo
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- CN108117769A CN108117769A CN201810008576.0A CN201810008576A CN108117769A CN 108117769 A CN108117769 A CN 108117769A CN 201810008576 A CN201810008576 A CN 201810008576A CN 108117769 A CN108117769 A CN 108117769A
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- C08L101/00—Compositions of unspecified macromolecular compounds
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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
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
- C08F265/06—Polymerisation of acrylate or methacrylate esters on to polymers thereof
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Abstract
The invention discloses a kind of modification biological fibers and preparation method thereof, it is related to biological fibrous material technology, including biological fiber, further include chloroethylene copolymer resin, the chloroethylene copolymer resin is by adding in hydroxyl monomer and prepared by acrylate nano rubber latex, vinyl chloride monomer are copolymerized.Biological fiber content is high in modification biological fiber produced by the present invention, and production cost is low, good product performance.
Description
Technical field
The present invention relates to biological fibrous material technology, especially a kind of modification biological fiber and preparation method thereof.
Background technology
Biological fiber refers generally to biomass fiber, and biomass fiber is basically divided into biomass protofibre, biomass again
Raw fiber, biomass synthetic fibers three categories, including using cotton, hair, fiber crops, silk as the biomass protofibre of representative, bamboo pulp, jute pulp
The biomass regenerated fibers such as fiber, azelon, alginate fibre, chitin fiber, direct solvent method cellulose fibre and
The biomass synthetic fibers such as PTT, PLA, PHA.Biological fiber application is very extensive, is chiefly used in weaving, medical, health, decorates, is daily
Etc..
Chloroethylene copolymer resin was once the general-purpose plastics of yield maximum in the world, be widely used it is general, in construction material, work
Industry product, daily necessities, flooring laminate, floor tile, artificial leather, tubing, electric wire, packaging film, bottle, expanded material, sealing material,
Fiber etc. is widely used.At present, biological fiber is cheap, can utilize chloroethylene copolymer resin to biological fiber
It is modified, to prepare a series of new products, to substitute timber use, falls trees so as to reduce；And in the prior art, to life
Fibres are modified used chloroethylene copolymer resin, and binary mainly, which occurs, with acrylate latex by vinyl chloride is total to
It is poly- obtained, using the impact resilience of esters of acrylic acid, can play a role to the raising of later products machinery performance.
For example, the Chinese patent that patent publication No. is CN103570881A discloses a kind of polyacrylate grafting vinyl chloride
Compound resin and preparation method thereof, the compound resin are prepared by each ingredient of following weight parts：100 parts of vinyl chloride, poly- third
2~15 parts of olefin(e) acid ester gum breast (with solid content meter), 100~200 parts of deionized water, 0.08~0.16 part of dispersant, oil-soluble
0.025~0.040 part of initiator, 0.006~0.009 part of pH adjusting agent；The polyacrylate grafting vinyl chloride compound resin
It is to be carried out by vinyl chloride and polyacrylic ester latex under the assistance of other reagents made from binary copolymerization, is mainly used for
Boardy product, although having many advantages, such as good fluidity, good impact resistance, the compatibility of the compound resin and biological fiber is not
It is good, when being modified biological fiber to prepare new product using the compound resin, even if adding in a series of auxiliary agent, also according to
So there are the problems such as process reaction is uneven, being mixed evenly property of substance is unstable, obtained properties of product are poor.
Similar patent is also very much, just because of the poor compatibility of existing chloroethylene copolymer resin and biological fiber, makes
Finally biological fiber additive amount is few in product obtained, production cost is high, and properties of product are poor.And cause chloroethylene copolymer resin
The group for not having one's own fibres in existing chloroethylene copolymer resin is essentially consisted in the reason for biological fiber poor compatibility to deposit
.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, at the present invention provides a kind of chloroethylene copolymer resin through hydroxyl
Modification biological fiber of reason and preparation method thereof.
The technical solution adopted in the present invention is：
A kind of modification biological fiber including biological fiber, further includes chloroethylene copolymer resin, the chloroethylene copolymer resin
It is by adding in hydroxyl monomer and prepared by acrylate nano rubber latex, vinyl chloride monomer are copolymerized.
Further, a kind of modification biological fiber includes the component of following parts by weight：90~95 parts of biological fiber, chloroethene
5~10 parts of alkene copolymer resins.
The chloroethylene copolymer resin is prepared by the raw material of following parts by weight：11000~16000 parts of deionized water,
It is 6000~9000 parts of vinyl chloride monomer, 300~900 parts of hydroxyl monomer, 800~2000 parts of acrylate nano rubber latex, scattered
6~13 parts of agent, 3~6 parts of polymerization initiator, 15~30 parts of terminator, 1~6 part of pH adjusting agent.
Further, the acrylate nano rubber latex is prepared by the raw material of following parts by weight：Deionized water 1000
~2000 parts, 80~600 parts of stratum nucleare comonomer, 2~8 parts of composite initiator, 1~6 part of stratum nucleare emulsifier, crosslinking agent 1~6
Part, 0.5~3 part of the second pH adjusting agent.
The stratum nucleare comonomer for ethyl acrylate, butyl acrylate, acrylic acid-2-ethyl caproite, 2-ethyl hexyl acrylate,
In acrylic acid n-pentyl ester, the just own ester of acrylic acid, Isooctyl acrylate monomer, (methyl) n-butyl acrylate, (methyl) 2-ethyl hexyl acrylate
One kind or arbitrary several mixture.
The composite initiator is ammonium persulfate, potassium peroxydisulfate, sodium peroxydisulfate, one kind in hydrogen peroxide or arbitrary several
Mixture.
The stratum nucleare emulsifier is nonionic polyoxyethylene alkyl ether, anionic lauryl sodium sulfate, octadecane
Base benzene sulfonic acid, alkyl diphenyl ether sodium sulfonate, one kind in alkylphenol polyethylene oxide ether or arbitrary several mixture.
The crosslinking agent is (methyl) allyl acrylate, 1,4- butanediols diallyl, diethylene glycol two (methyl) third
In olefin(e) acid ester, triethylene glycol two (methyl) acrylate, 1,4- butanediol dimethylacrylates, diallyl phthalate
One kind or arbitrary several mixture.
Second pH adjusting agent is one kind in sodium hydroxide or ammonium hydroxide.
The preparation method of the acrylate nano rubber latex includes the following steps：
(a) deionized water, stratum nucleare emulsifier and the second pH adjusting agent are added in reaction vessel, it is 9.0 to adjust pH value
~10.5, the material in reaction vessel is stirred, mixing speed is 100~130r/min, treats material after mixing, then
Stratum nucleare comonomer and crosslinking agent are added in, continues to stir；
(b) above-mentioned reaction system is warming up to 78~82 DEG C, composite initiator is added in into reaction vessel, polymerize anti-
Should, the reaction time is 2~5h, and it is 76~79 DEG C to reconcile temperature of reaction system afterwards, keeps 1~2h of constant temperature；Then, by reactant
System is cooled to 25~40 DEG C, and it is 7.0~8.0 to add in the second pH adjusting agent and adjust pH value in reaction vessel, uses 400 again afterwards
Mesh filter screen filtration reaction product, you can obtain acrylate nano rubber latex.
Further, the hydroxyl monomer for acrylic acid -2- hydroxyl ethyl esters, 2-hydroxypropyl acrylate, methacrylic acid -
One kind or arbitrary several mixture in 2- hydroxyl ethyl esters and Hydroxypropyl methacrylate.
The dispersant includes main dispersant and dispersion aids, and the main dispersant is the polyethylene of alcoholysis degree 86~88%
Alcohol, the polyvinyl alcohol of alcoholysis degree 70~76%, alcoholysis degree 78~82% polyvinyl alcohol in one kind or arbitrary several and hydroxypropyl
The compound mixture of ylmethyl cellulose, the dispersion aids are the polyvinyl alcohol of alcoholysis degree 40~45%, and dispersion aids adds in
It measures as the 10%~30% of the total addition of main dispersant.
The polymerization initiator is one in dicetyl peroxydicarbonate double (2- ethylhexyls), the new certain herbaceous plants with big flowers acid esters of dicumyl peroxide
Kind or two kinds of compound mixtures.
The pH adjusting agent is sodium acid carbonate, one kind in ammonium hydrogen carbonate, sodium hydroxide, ammonium hydroxide.
The preparation method of the chloroethylene copolymer resin, includes the following steps：Deionized water, pH are added in reaction vessel
It is worth conditioning agent and dispersant, 5~10min is mixed, it is 7.0~8.0 to adjust pH value, is subsequently added into acrylate nano rubber latex
And polymerization initiator, 5~10min is mixed, and add in vinyl chloride monomer and hydroxyl monomer and it is mixed 10~
15min；Then reaction system is warming up to 55.5~57.5 DEG C, it is 0.85~0.95MPa to adjust reaction system pressure, aggregated
Reaction adds in terminator and terminates reaction, reaction product removing residual chlorine when pressure drop reaches 0.1MPa in reaction vessel
After ethylene, by centrifuging, drying to get chloroethylene copolymer resin.
Further, the modification biological fiber, further includes auxiliary agent.
A kind of preparation method of modification biological fiber, includes the following steps：By biological fiber, chloroethylene copolymer resin, help
Agent adds in batch mixer, and after mixed at high speed, cooling discharging is to get modification biological fiber.
By the present invention in that it is made with being copolymerized by hydroxyl monomer, acrylate nano rubber latex and vinyl chloride monomer
Chloroethylene copolymer resin biological fiber is modified, due to the use of chloroethylene copolymer resin contain hydroxyl, there is parent
It is aqueous, so as to improve the compatibility of chloroethylene copolymer resin and biological fiber, simultaneously because also containing in chloroethylene copolymer resin
There is acrylate, utilize its impact resilience, it is thus possible to improve the mechanical performance of the modification biological fiber finally obtained.
The beneficial effects of the invention are as follows：By using with the good chloroethylene copolymer resin of biological fiber compatibility, finally
The content of biological fiber is high in modification biological fiber obtained, so that production cost reduces, obtains good economic benefit；Together
When the modification biological fibre property that obtains is stable, mechanical performance is strong.
Specific embodiment
With reference to embodiment, the present invention is further described.
Embodiment 1
Prepare acrylate nano rubber latex
(a) deionized water 1000kg, anionic lauryl sodium sulfate 0.5kg and hydroxide are added in reaction vessel
Sodium 0.25kg, it is 9.0 to adjust pH value, the material in reaction vessel is stirred, mixing speed 100r/min treats that material mixes
After closing uniformly, butyl acrylate 50kg and 1,4-butanediol diallyl 0.5kg are added, continues to stir；
(b) above-mentioned reaction system is warming up to 78 DEG C, sodium peroxydisulfate 0.7kg is added in into reaction vessel, polymerize anti-
Should, reaction time 2h, and anionic lauryl sodium sulfate 0.5kg and sodium peroxydisulfate 0.7kg is added in, and using continuous drop
Addition is added dropwise Isooctyl acrylate monomer 30kg and 1,4-butanediol diallyl 0.5kg into reaction vessel, time for adding 2h, complete
Sodium peroxydisulfate 0.7kg is added in again after finishing；Then, it is 76 DEG C to reconcile temperature of reaction system, keeps constant temperature 1h；Then, will react
System is cooled to 25 DEG C, and it is 7.0 to add in sodium hydroxide 0.25kg and adjust pH value in reaction vessel, is filtered again using 400 mesh afterwards
Net filtration reaction product, you can obtain acrylate nano rubber latex.
Prepare chloroethylene copolymer resin
Deionized water 11000kg, ammonium hydrogencarbonate 1kg are added in reaction vessel, add dispersant alcoholysis degree 86~
88% polyvinyl alcohol 0.5kg, the polyvinyl alcohol 3kg of alcoholysis degree 70~76%, alcoholysis degree 78~82% polyvinyl alcohol 1kg,
5min is mixed in the polyvinyl alcohol 1kg of hydroxypropyl methyl cellulose 0.5kg, alcoholysis degree 40~45%, and it is 7.0 to adjust pH value,
It is subsequently added into acrylate nano rubber latex 800kg prepared above and polymerization initiator dicetyl peroxydicarbonate is double (2- ethylhexyls)
The new certain herbaceous plants with big flowers acid 1.5kg of 1.5kg, dicumyl peroxide is mixed 5min, and adds in vinyl chloride monomer 6000kg and metering system
Simultaneously 10min is mixed in acid -2- hydroxyl ethyl ester monomer 300kg；Then reaction system is warming up to 55.5 DEG C, adjusts reaction system pressure
Power is 0.85MPa, and aggregated reaction adds in terminator 15kg and terminate anti-when pressure drop reaches 0.1MPa in reaction vessel
Should, after reaction product removing residual vinyl chloride, by centrifuging, drying to get chloroethylene copolymer resin.Wherein, terminator is city
The environment-friendly type terminator bought on field.
Prepare modification biological fiber
It weighs biological fiber 90kg, chloroethylene copolymer resin 10kg obtained above and auxiliary agent is added in batch mixer, warp
After mixed at high speed, cooling discharging is to get modification biological fiber.
Embodiment 2
Prepare acrylate nano rubber latex
(a) deionized water 2000kg, anionic lauryl sodium sulfate 3kg and sodium hydroxide are added in reaction vessel
1.5kg, it is 10.5 to adjust pH value, the material in reaction vessel is stirred, mixing speed 130r/min, treats that material mixes
After uniformly, butyl acrylate 400kg and 1,4-butanediol diallyl 3kg are added, continues to stir；
(b) above-mentioned reaction system is warming up to 82 DEG C, sodium peroxydisulfate 2.6kg is added dropwise into reaction vessel, polymerize anti-
Should, reaction time 5h, and anionic lauryl sodium sulfate 3kg and sodium peroxydisulfate 2.6kg is added in, and be added dropwise using continuous
Method is added dropwise Isooctyl acrylate monomer 200kg and 1,4-butanediol diallyl 3kg into reaction vessel, time for adding 4.5h, complete
Sodium peroxydisulfate 2.6kg is added in again after finishing；Then, it is 79 DEG C to reconcile temperature of reaction system, keeps constant temperature 2h；Then, will react
System is cooled to 40 DEG C, and it is 8.0 to add in sodium hydroxide 1.5kg and adjust pH value in reaction vessel, uses 400 mesh filter screens again afterwards
Filter reaction product, you can obtain acrylate nano rubber latex.
Prepare chloroethylene copolymer resin
Deionized water 16000kg, sodium acid carbonate 6kg are added in reaction vessel, add dispersant alcoholysis degree 86~
88% polyvinyl alcohol 1kg, the polyvinyl alcohol 6.5kg of alcoholysis degree 70~76%, the polyvinyl alcohol of alcoholysis degree 78~82%
10min is mixed in 2.5kg, hydroxypropyl methyl cellulose 1kg, the polyvinyl alcohol 2kg of alcoholysis degree 40~45%, adjusts pH value
For 8.0, acrylate nano rubber latex 2000kg prepared above and double (the 2- second of polymerization initiator dicetyl peroxydicarbonate are subsequently added into
The own ester of base) 3kg, the new certain herbaceous plants with big flowers acid esters 3kg of dicumyl peroxide, 10min is mixed, and adds in vinyl chloride monomer 9000kg and methyl
Simultaneously 15min is mixed in acrylic acid -2- hydroxyl ethyl ester monomer 900kg；Then reaction system is warming up to 57.5 DEG C, adjusts reactant
It is that pressure is 0.95MPa, it is whole to add in terminator 30kg when pressure drop reaches 0.1MPa in reaction vessel for aggregated reaction
It only reacts, after reaction product removing residual vinyl chloride, by centrifuging, drying to get chloroethylene copolymer resin.Wherein, terminator
For the environment-friendly type terminator bought in the market.
Prepare modification biological fiber
It weighs biological fiber 95kg, chloroethylene copolymer resin 5kg obtained above and auxiliary agent is added in batch mixer, through height
After speed mixing, cooling discharging is to get modification biological fiber.
Embodiment 3
Prepare acrylate nano rubber latex
(a) deionized water 1500kg, nonionic polyoxyethylene alkyl ether 2kg and ammonium hydroxide 1kg are added in reaction vessel,
It is 10 to adjust pH value, and the material in reaction vessel is stirred, and mixing speed 115r/min treats material after mixing,
Acrylic acid-2-ethyl caproite 300kg and diethylene glycol two (methyl) acrylate 2kg are added, continues to stir；
(b) above-mentioned reaction system is warming up to 80 DEG C, ammonium persulfate 2kg is added dropwise into reaction vessel, carry out polymerisation,
Reaction time is 3.5h, and adds in nonionic polyoxyethylene alkyl ether 2kg and ammonium persulfate 2kg, and using continuous dripping method
Acrylic acid-2-ethyl caproite 150kg and diethylene glycol two (methyl) acrylate 2kg, time for adding are added dropwise into reaction vessel
For 3h, after add in ammonium persulfate 2kg again；Then, it is 77 DEG C to reconcile temperature of reaction system, keeps constant temperature 1.5h；Then,
Reaction system is cooled to 30 DEG C, it is 7.5 to add in ammonium hydroxide 1kg and adjust pH value in reaction vessel, uses 400 mesh filter screens again afterwards
Filter reaction product, you can obtain acrylate nano rubber latex.
Prepare chloroethylene copolymer resin
Deionized water 14000kg, sodium hydroxide 4kg are added in reaction vessel, add dispersant alcoholysis degree 70~
76% polyvinyl alcohol 6kg, hydroxypropyl methyl cellulose 1kg, the polyvinyl alcohol 2kg of alcoholysis degree 40~45% are mixed
8min, it is 7.5 to adjust pH value, is subsequently added into acrylate nano rubber latex 1400kg prepared above and polymerization initiator peroxidating
Double (2- ethylhexyls) 4.5kg of two carbonic acid, are mixed 8min, and add in vinyl chloride monomer 7500kg and acrylic acid -2- hydroxypropyls
Simultaneously 12min is mixed in ester monomer 300kg, acrylic acid -2- hydroxyl ethyl ester monomer 300kg；Then reaction system is warming up to 56.5
DEG C, reaction system pressure 0.9MPa is adjusted, aggregated reaction adds in eventually when pressure drop reaches 0.1MPa in reaction vessel
Only agent 22kg terminates reaction, after reaction product removes residual vinyl chloride, by centrifuging, drying to get chloroethylene copolymer resin.Its
In, terminator is the environment-friendly type terminator bought in the market.
Prepare modification biological fiber
It weighs biological fiber 93kg, chloroethylene copolymer resin 8kg obtained above and auxiliary agent is added in batch mixer, through height
After speed mixing, cooling discharging is to get modification biological fiber.
Claims (17)
1. a kind of modification biological fiber, including biological fiber, it is characterized in that：Further include chloroethylene copolymer resin, the vinyl chloride
Copolymer resins is by adding in hydroxyl monomer and prepared by acrylate nano rubber latex, vinyl chloride monomer are copolymerized.
2. a kind of modification biological fiber as described in claim 1, it is characterized in that, include the components of following parts by weight：It is biological fine
Tie up 90~95 parts, 5~10 parts of chloroethylene copolymer resin.
3. a kind of modification biological fiber as claimed in claim 2, it is characterized in that, the chloroethylene copolymer resin is by following weight
The raw material of part is prepared：11000~16000 parts of deionized water, 6000~9000 parts of vinyl chloride monomer, hydroxyl monomer 300
~900 parts, 800~2000 parts of acrylate nano rubber latex, 6~13 parts of dispersant, 3~6 parts of polymerization initiator, terminator 15~
30 parts, 1~6 part of the first pH adjusting agent.
4. a kind of modification biological fiber as claimed in claim 3, it is characterized in that, the acrylate nano rubber latex is by following heavy
The raw material of amount part is prepared：1000~2000 parts of deionized water, 80~600 parts of stratum nucleare comonomer, composite initiator 2~8
Part, 1~6 part of stratum nucleare emulsifier, 1~6 part of crosslinking agent, 0.5~3 part of the second pH adjusting agent.
5. a kind of modification biological fiber as claimed in claim 4, it is characterized in that, the stratum nucleare comonomer is acrylic acid second
Ester, butyl acrylate, acrylic acid-2-ethyl caproite, 2-ethyl hexyl acrylate, acrylic acid n-pentyl ester, the just own ester of acrylic acid, acrylic acid are different
Monooctyl ester, (methyl) n-butyl acrylate, one kind in (methyl) 2-ethyl hexyl acrylate or arbitrary several mixture.
6. a kind of modification biological fiber as claimed in claim 4, it is characterized in that, the composite initiator is ammonium persulfate, mistake
One kind or arbitrary several mixture in potassium sulfate, sodium peroxydisulfate, hydrogen peroxide.
7. a kind of modification biological fiber as claimed in claim 4, it is characterized in that, the stratum nucleare emulsifier is non-ionic polyoxy
Vinyl alkyl ether, anionic lauryl sodium sulfate, octadecyl benzenesulfonic acid, alkyl diphenyl ether sodium sulfonate, alkyl phenol polycyclic
One kind or arbitrary several mixture in oxidative ethane ether.
8. a kind of modification biological fiber as claimed in claim 4, it is characterized in that, the crosslinking agent is (methyl) acrylic acid allyl
Ester, 1,4- butanediols diallyl, diethylene glycol two (methyl) acrylate, triethylene glycol two (methyl) acrylate, 1,4-
One kind or arbitrary several mixture in butanediol dimethylacrylate, diallyl phthalate.
9. a kind of modification biological fiber as claimed in claim 4, it is characterized in that, second pH adjusting agent is sodium hydroxide
Or one kind in ammonium hydroxide.
10. a kind of modification biological fiber as claimed in claim 3, it is characterized in that, the preparation of the acrylate nano rubber latex
Method includes the following steps：
(a) deionized water, stratum nucleare emulsifier and the second pH adjusting agent are added in reaction vessel, adjust pH value for 9.0~
10.5, the material in reaction vessel is stirred, mixing speed is 100~130r/min, treats material after mixing, then is added
Enter stratum nucleare comonomer and crosslinking agent, continue to stir；
(b) above-mentioned reaction system is warming up to 78~82 DEG C, composite initiator is added in into reaction vessel, carry out polymerisation,
Reaction time is 2~5h, and it is 76~79 DEG C to reconcile temperature of reaction system afterwards, keeps 1~2h of constant temperature；Then, by reaction system
25~40 DEG C are cooled to, it is 7.0~8.0 to add in the second pH adjusting agent and adjust pH value in reaction vessel, uses 400 mesh again afterwards
Filter screen filtration reaction product, you can obtain acrylate nano rubber latex.
11. a kind of modification biological fiber as claimed in claim 3, it is characterized in that, the hydroxyl monomer is acrylic acid -2- hydroxyls
One kind or arbitrary several in ethyl ester, 2-hydroxypropyl acrylate, 2-hydroxyethyl methacry-late and Hydroxypropyl methacrylate
The mixture of kind.
12. a kind of modification biological fiber as claimed in claim 3, it is characterized in that, the dispersant includes main dispersant and helps
Dispersant, the main dispersant is the polyvinyl alcohol of alcoholysis degree 86~88%, the polyvinyl alcohol of alcoholysis degree 70~76%, alcoholysis degree
One kind in 78~82% polyvinyl alcohol is arbitrary several with the compound mixture of hydroxypropyl methyl cellulose, it is described help it is scattered
Agent is the polyvinyl alcohol of alcoholysis degree 40~45%, and dispersion aids addition is the 10%~30% of the total addition of main dispersant.
13. a kind of modification biological fiber as claimed in claim 3, it is characterized in that, the polymerization initiator is two carbon of peroxidating
One or both of sour double (2- ethylhexyls), the new certain herbaceous plants with big flowers acid esters of dicumyl peroxide compound mixture.
14. a kind of modification biological fiber as claimed in claim 3, it is characterized in that, first pH adjusting agent is bicarbonate
One kind in sodium, ammonium hydrogen carbonate, sodium hydroxide, ammonium hydroxide.
15. a kind of modification biological fiber as claimed in claim 3, it is characterized in that, the preparation side of the chloroethylene copolymer resin
Method includes the following steps：Deionized water, pH adjusting agent and dispersant are added in reaction vessel, 5~10min is mixed,
It is 7.0~8.0 to adjust pH value, is subsequently added into acrylate nano rubber latex and polymerization initiator, and 5~10min is mixed, and adds
Enter vinyl chloride monomer and hydroxyl monomer and 10~15min is mixed；Then reaction system is warming up to 55.5~57.5 DEG C,
It is 0.85~0.95MPa to adjust reaction system pressure, aggregated to react when pressure drop reaches 0.1MPa in reaction vessel,
It adds in terminator and terminates reaction, after reaction product removes residual vinyl chloride, by centrifuging, drying to get chloroethylene copolymer resin.
16. a kind of modification biological fiber as claimed in claim 2, it is characterized in that, further include auxiliary agent.
17. a kind of preparation method of modification biological fiber as described in claim 1, includes the following steps：By biological fiber, chlorine
Ethylene copolymer, auxiliary agent add in batch mixer according to proportioning, and after mixed at high speed, cooling discharging is to get modification biological fiber.
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| CN101151330A (en) * | 2005-02-02 | 2008-03-26 | 纳幕尔杜邦公司 | Composite comprising cellulose and thermoplastic polymer |
| CN102417556A (en) * | 2011-11-22 | 2012-04-18 | 上海氯碱化工股份有限公司 | Method for preparing vinyl chloride-vinyl acetate copolymer paste resin |
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