CN1511915A - Durable anti-static agent for acrylic fiber - Google Patents
Durable anti-static agent for acrylic fiber Download PDFInfo
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- CN1511915A CN1511915A CNA021515468A CN02151546A CN1511915A CN 1511915 A CN1511915 A CN 1511915A CN A021515468 A CNA021515468 A CN A021515468A CN 02151546 A CN02151546 A CN 02151546A CN 1511915 A CN1511915 A CN 1511915A
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- static inhibitor
- fiber
- antistatic agent
- alkylphenol polyoxyethylene
- solution
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Abstract
The present invention relates to durable antistatic agent for acrylic fiber and its preparation process. The antistatic agent is prepared through the following steps: polymerizing alkylphenol ethoxylate acrylate or alkylphenol ethoxylate methacrylate and vinyl monomer with epoxy group in the presence of initiator to produce macro molecular antistatic agent; compounding the antistatic agent into solution and adding curing agent to form the durable antistatic agent for acrylic fiber. The synthetic product is one kind of polymer antistatic agent capable of being crosslinked and cured for surface treatment. The polymerized solution and curing agent in certain ratio are compounded into solution and the solution is painted onto the surface of fiber and stoved to cure to obtain antistatic fiber with durable antistatic performance.
Description
Technical field
The present invention relates to a kind of acrylic fibers durable antistatic agent and preparation method thereof, particularly contain acrylic fibers durable antistatic agent and preparation method thereof of alkylphenol polyoxyethylene side group and epoxide group.
Background technology
As everyone knows, acrylic fibers are one of principal item of synthon, and its quality is bulk, soft, density is little, thermal conductivity low (than terylene low 40%), thermal property is good, the title that lanital is arranged is the best surrogate of woolen, and low price, good permeability, washing shrinkage low (having only 0.4%), as the clothes raw material, its proportion in the cotton spinning field accounts for 30～50%.
When conventional acrylic fibers did not add finishing composition, normal conditions lower volume resistivity was 10
13-10
14Ω .cm belongs to insulating material, and because of friction can produce static, the boundling difficulty is twined with workpiece during post-treatment; Easily stain dust suction after making finished product; Because of making the people, discharge produces sticky feeling when wearing; Discharge causes that series harm has limited its application.Conventional acrylic fibers have been made antistatic treatment with the method that the surface applies static inhibitor in process of production, but only obtain temporary transient antistatic effect, can only satisfy the partial operation needs, and meeting is lost in wet, thermal treatment (washing, dyeing, decatize).
The common method for preparing antistatic acrylic fibers has: (1) introduces hydrophilic compounds in interpolymer, improves the water absorbability of product, thereby makes acrylic fibers have antistatic property.(2) in acrylic fibers, add a small amount of conducting material (carbon black or metal oxide) and make the durable antistatic acrylic fibers.(3) handle fiber surface with copper salt solution, make conventional acrylic fibers surface attachment metallic coating, make the conductive acrylic fibre that not influenced by ambient moisture.
Japanese Patent JP11189768 has invented a kind of static inhibitor of being made up of hydrophilic polymer, polyether glycol and water, fiber is carried out antistatic treatment after, only improve the antistatic property of fiber, other performance is not had influence.Hydrophilic polymer mainly contains: hydroxyethylamyle, hydroxypropylated starch, carboxymethyl starch, Natvosol, hydroxypropylcellulose, carboxymethyl cellulose, vinylformic acid, first class vinylformic acid are with homopolymer or multipolymer, the poly-doped quaternary ammonium salt etc. of other vinyl monomer.Japanese Patent JP02588445 has invented and has been mixed with 0.3～6.0% the aqueous solution by sericin powder and solidifying agent and as static inhibitor fiber is handled, and has improved the water-absorbent and the antistatic property of fiber.And adopt following silk gum solubilizing agent: acetaldehyde, alum, tannic acid, maleic resin, Resins, epoxy etc.More than two patents invent be the coventional type external antistatics, do not have endurance quality.
The clear 56-79766 of Japanese Patent JP has invented a kind of brand-new static inhibitor, and its structural formula is as follows:
CH
2＝CR
1-COO-x-y-z-C(O)C(R
2)＝CH
2
R in the formula
1, R
2Represent hydrogen or methyl,
X, z represent (CH
2CH
2O)
m(CH
2CH (CH
3) O)
nOr
(CH
2CH
2O)
n(CH
2CH(CH
3)O)
m
Y represents-COC (CH
2) CH
2COO-or-COC (CH
3)=CHCOO-
Or-COCH=CHCOO-
Unsaturated double-bond is contained at the centre and the two ends of static inhibitor molecular formula, be applied to fiber surface after, in the presence of the catalysis catalase, can be cured crosslinked, thereby form filming of a kind of tridimensional network.Fiber after the modification has good static resistance, water-wash resistance and weather resistance.But the crosslinked group of this static inhibitor is two keys, need add the free radical type solidifying agent during curing, and need hot setting.The free radical type solidifying agent often causes fiber staining, solidify inhomogeneous, shortcoming such as curing degree is low.
U.S. Pat 3963803 is carried out blend with acrylonitrile polymer with the segmented copolymer of polyether polyester, thereby spinning then obtains antistatic acryl fibre, what particularly point out is, the segmented copolymer of polyether polyester with the acrylonitrile grafting polymerization after, antistatic property is greatly enhanced.The volume resistivity of the acryl fibre of this invention reaches 10
9About Ω cm.U.S. Pat 4107129 adds graphitized carbon black in antistatic ingredient on the basis of patent US3963803, antistatic property improves greatly, and the ratio resistance value of the fiber of this invention is less than 10
8Ω cm.U.S. Pat 4468433 has been invented a kind of static inhibitor, union two acid esters are with 2,2-dimethyl-1, ammediol reaction synthesizing polyester, then with the polyethers end-blocking, and be added with tetraalkyl phosphorus, isophthalic acid ester, by decompression polycondensation synthesizing polyester (dimethyl azelate and 2,2-dimethyl-1, ammediol and monohydroxy propyl ether) as the static inhibitor of fiber.Add in the fiber after this static inhibitor of 1～6%, volume resistivity reduces to 10
8.5～10
9.5Ω .cm.U.S. Pat 4506070 on the basis of patent US4468433, further optimizing materials proportioning, thus obtained better antistatic effect, add in the fiber after this static inhibitor of 1～6%, volume resistivity reduces to 10
8.5Ω .cm.The type static inhibitor is used in being in the co-blended spinning that top several patents is invented, and consumption is generally bigger, about 5%.
Summary of the invention
According to described background information, antistatic acrylic fibers purposes is very wide.Previous patent many with polyether polyester segmented copolymer or polyether glycol as anlistatig main component, interior static inhibitor large usage quantity, and the static inhibitor of external application type solidifies not exclusively with type, weather resistance is relatively poor.
The present invention intends in the weak point that solves aforementioned patent, provides that a kind of consumption is little, antistatic property good, the exsertile external application type of weather resistance static inhibitor.
The present invention is a main raw material with alkylphenol polyoxyethylene (methyl) acrylate, carries out copolymerization with the vinyl monomer of being with active group, synthetic a kind of polymeric antistatic agent, then, it is mixed with antistatic agent solution according to a certain ratio with solidifying agent, directly is applied to fiber surface, and after fixing.
The present invention adopts solution polymerization process, may further comprise the steps:
A, in the presence of initiator, alkylphenol polyoxyethylene (methyl) acrylate carries out solution polymerization with glycidyl methacrylate, generates the static inhibitor macromole.
B, the reaction product described in a is mixed with the certain density aqueous solution, adds a certain amount of solidifying agent and be the acrylic fibers durable antistatic agent.
Generally speaking, to prepare the reaction equation of static inhibitor as follows in the present invention:
R1, R2, R3 represent H or alkyl respectively in the formula, and n represents the repeat number of ethylene oxide unit.
Particularly importantly, the static inhibitor consumption of the present invention's development is few, and polymer fluid can directly be used for preparing static inhibitor, and curing reaction speed is fast, completion of cure.
Introduce synthetic method of the present invention below in detail.
Polyreaction adds solvent, alkylphenol polyoxyethylene (methyl) acrylate and part methyl glycidyl acrylate in the there-necked flask of band stirring by the prescription weighing, feeds N
2, stir, be heated to temperature requiredly, initiator is dissolved in is made into certain density solution in the solvent.Initiator solution and glycidyl methacrylate add respectively in the there-necked flask continuously, and sampling and measuring monomer conversion, transformation efficiency reach 90% when above, stop polyreaction, and reaction solution is prepared static inhibitor macromole solution.
The repetition number of reacting ethylene oxide unit in raw materials used alkylphenol polyoxyethylene (methyl) the acrylate molecule is 3～150, is preferably 10～50.The optional methyl-sulphoxide of reaction solvent, dimethyl formamide, trichloromethane, water etc.The optional azo-bis-isobutyl cyanide of polymerization starter, azo two cyanogen in different heptan, benzoyl peroxide etc.
Monomer concentration is controlled at 10～60% in the polymerization process, preferably is controlled at 20～40%.Raw material alkylphenol polyoxyethylene (methyl) acrylate is controlled at 1: 0.7～1.8 with the mol ratio of glycidyl methacrylate, preferably is controlled at 1: 1.0～1.3.
In polymerization process, temperature of reaction is controlled at 50～100 ℃, and temperature range is 60～90 ℃ preferably, is preferably 70～85 ℃.Temperature of reaction is low, and polymerization rate is slow, and the composition of polymerisate is evenly distributed.The temperature of reaction height, polymerization rate is fast, the composition skewness of polymerisate, the epoxide group in the molecular chain is destroyed easily.The adding speed of initiator and glycidyl methacrylate was controlled at respectively 7 hours and 5 hours, because the molecular weight of alkylphenol polyoxyethylene (methyl) acrylate is bigger, and glycidyl methacrylate is less, the unexpectedly poly-rate of glycidyl methacrylate is more much bigger than alkylphenol polyoxyethylene (methyl) acrylate, therefore, the adding speed of glycidyl methacrylate is extremely important.
After polyreaction was finished, it was 0.2～3.0% the aqueous solution that polymerization liquid is diluted to solid content, is preferably 0.5～1.5% the aqueous solution, adds an amount of solidifying agent then, and this is the target product static inhibitor.Cure-crosslinking agent is optional 2,4, epoxy hardeners such as 6--three (N, N-dimethyl)-amino-phenol, 591, T-31.Dosage of crosslinking agent is 1.0～5.0% of a static inhibitor macromole weight.
Acrylic fiber is soaked in the antistatic agent solution for preparing, flooded 10 minutes, take out, extrude unnecessary antistatic agent solution, being placed in temperature is to dry 30 minutes in the 125 degree constant temperature ovens, and room temperature was placed 24 hours naturally, measured the volume resistivity of fiber.
The invention provides a kind of is the synthetic acrylic fibers durable antistatic agent and preparation method thereof of main raw material with alkylphenol polyoxyethylene (methyl) acrylate.The present invention creatively introduces alkylphenol polyoxyethylene side group and epoxide group in the synthetic macromolecule chain, synthesize a kind of surface treatment cross-linkable solidifying type polymeric antistatic agent.Polymerization technology is steady, the monomer conversion height.Gained static inhibitor construction application is with very long easy, and consumption is little, and the antistatic property of gained fiber is good, and (volume resistivity is less than 10
8And have a good endurance quality Ω cm).
The invention will be further described below by embodiment, but the present invention is not limited only to these examples.Also can fully understand essence of the present invention and invention scope by these embodiment, further understand the relative merits of substep heating process of the present invention.
Embodiment
Embodiment 1
In the 500ml reactor of reflux exchanger, whipping appts is housed, add 90g dimethyl formamide, 20g alkylphenol polyoxyethylene (methyl) acrylate (the repetition number of ethylene oxide unit is 15), 1.0g glycidyl methacrylate, start and stir, feed nitrogen, be warming up to 75 ℃.
Take by weighing the 0.5g azo-bis-isobutyl cyanide and be dissolved in the 10g dimethyl formamide, take by weighing the 2.0g glycidyl methacrylate in addition, after temperature of reaction reaches 75 ℃, divide initiator solution five times and add reactor, 1.5 hours at interval; 2.0g glycidyl methacrylate is divided three times and is added reactor, 1.5 hours at interval.Isothermal reaction 10h, sampling analysis monomer conversion are 90.5%.
Take by weighing the above-mentioned reaction solution of 2.0g, add 100g distilled water, mix, add 0.2g 2,4 then, 6--three (N, N-dimethyl)-amino-phenol stirs, and this is antistatic agent solution.The 50g acrylic fiber is joined in the antistatic agent solution for preparing, soaked 15 minutes, make antistatic agent solution be penetrated into fiber equably and get on, take out fiber, extrude antistatic agent solution excessive in the fiber, the heavy 73.1g of weighing wet fiber.It is 125 ℃ constant temperature oven that fiber is put into temperature, oven dry half an hour, is weighed as 50.48g.
The fiber room temperature that oven dry is good was placed 24 hours naturally, measured the volume resistivity of fiber, and measured value is: 7.2 * 10
7Ω cm.
Embodiment 2
In the 500ml reactor of reflux exchanger, whipping appts is housed, add 90g methyl-sulphoxide, 30g alkylphenol polyoxyethylene (methyl) acrylate (the repetition number of ethylene oxide unit is 30), 0.6g glycidyl methacrylate, start and stir, feed nitrogen, be warming up to 85 ℃.
Take by weighing 0.5g azo two cyanogen in different heptan and be dissolved in the 10g methyl-sulphoxide, take by weighing the 1.5g glycidyl methacrylate in addition, after temperature of reaction reaches 75 ℃, divide initiator solution five times and add reactor, 1.5 hours at interval; 1.5g glycidyl methacrylate is divided three times and is added reactor, 1.5 hours at interval.Isothermal reaction 15h, sampling analysis monomer conversion are 91.2%.
Take by weighing the above-mentioned reaction solution of 2.0g, add 100g distilled water, mix, add 0.1g 2,4 then, 6--three (N, N-dimethyl)-amino-phenol stirs, and this is antistatic agent solution.The 50g acrylic fiber is joined in the antistatic agent solution for preparing, soaked 15 minutes, make antistatic agent solution be penetrated into fiber equably and get on, take out fiber, extrude antistatic agent solution excessive in the fiber, the heavy 88.3g of weighing wet fiber.It is 125 ℃ constant temperature oven that fiber is put into temperature, oven dry half an hour, is weighed as 50.73g.
The fiber room temperature that oven dry is good was placed 24 hours naturally, measured the volume resistivity of fiber, and measured value is: 2.9 * 10
7Ω cm.
Embodiment 3
In the 500ml reactor of reflux exchanger, whipping appts is housed, add 90g dimethyl formamide, 40g alkylphenol polyoxyethylene (methyl) acrylate (the repetition number of ethylene oxide unit is 50), 1.0g glycidyl methacrylate, start and stir, feed nitrogen, be warming up to 75 ℃.
Take by weighing the 0.5g azo-bis-isobutyl cyanide and be dissolved in the 10g dimethyl formamide, take by weighing the 2.0g glycidyl methacrylate in addition, after temperature of reaction reaches 75 ℃, divide initiator solution five times and add reactor, 1.5 hours at interval; 2.0g glycidyl methacrylate is divided three times and is added reactor, 1.5 hours at interval.Isothermal reaction 10h, sampling analysis monomer conversion are 90.5%.
Take by weighing the above-mentioned reaction solution of 2.0g, add 100g distilled water, mix, add 0.2g 2,4 then, 6--three (N, N-dimethyl)-amino-phenol stirs, and this is antistatic agent solution.The 50g acrylic fiber is joined in the antistatic agent solution for preparing, soaked 15 minutes, make antistatic agent solution be penetrated into fiber equably and get on, take out fiber, extrude antistatic agent solution excessive in the fiber, the heavy 75.2g of weighing wet fiber.It is 125 ℃ constant temperature oven that fiber is put into temperature, oven dry half an hour, is weighed as 50.47g.
The fiber room temperature that oven dry is good was placed 24 hours naturally, measured the volume resistivity of fiber, and measured value is: 1.9 * 10
7Ω cm.
Embodiment 4
In the 500ml reactor of reflux exchanger, whipping appts is housed, add 90g dimethyl formamide, 20g alkylphenol polyoxyethylene (methyl) acrylate (the repetition number of ethylene oxide unit is 40), 0.8g glycidyl methacrylate, start and stir, feed nitrogen, be warming up to 75 ℃.
Take by weighing the 0.5g azo-bis-isobutyl cyanide and be dissolved in the 10g dimethyl formamide, take by weighing the 1.0g glycidyl methacrylate in addition, after temperature of reaction reaches 75 ℃, divide initiator solution five times and add reactor, 1.5 hours at interval; 1.0g glycidyl methacrylate is divided three times and is added reactor, 1.5 hours at interval.Isothermal reaction 10h, sampling analysis monomer conversion are 90.5%.
Take by weighing the above-mentioned reaction solution of 1.0g, add 100g distilled water, mix, add 0.1g 2,4 then, 6--three (N, N-dimethyl)-amino-phenol stirs, and this is antistatic agent solution.The 50g acrylic fiber is joined in the antistatic agent solution for preparing, soaked 15 minutes, make antistatic agent solution be penetrated into fiber equably and get on, take out fiber, extrude antistatic agent solution excessive in the fiber, the heavy 96.1g of weighing wet fiber.It is 125 ℃ constant temperature oven that fiber is put into temperature, oven dry half an hour, is weighed as 50.47g.
The fiber room temperature that oven dry is good was placed 24 hours naturally, measured the volume resistivity of fiber, and measured value is: 5.2 * 10
7Ω cm.
Embodiment 5
In the 500ml reactor of reflux exchanger, whipping appts is housed, add 90g methyl-sulphoxide, 20g alkylphenol polyoxyethylene (methyl) acrylate (the repetition number of ethylene oxide unit is 15), 1.0g glycidyl methacrylate, start and stir, feed nitrogen, be warming up to 75 ℃.
Take by weighing 0.5g azo two cyanogen in different heptan and be dissolved in the 10g methyl-sulphoxide, take by weighing the 2.0g glycidyl methacrylate in addition, after temperature of reaction reaches 75 ℃, divide initiator solution five times and add reactor, 1.0 hours at interval; 2.0g glycidyl methacrylate is divided three times and is added reactor, 1.2 hours at interval.Isothermal reaction 10h, sampling analysis monomer conversion are 93.5%.
Take by weighing the above-mentioned reaction solution of 1.5g, add 100g distilled water, mix, add 0.2g 2,4 then, 6--three (N, N-dimethyl)-amino-phenol stirs, and this is antistatic agent solution.The 50g acrylic fiber is joined in the antistatic agent solution for preparing, soaked 15 minutes, make antistatic agent solution be penetrated into fiber equably and get on, take out fiber, extrude antistatic agent solution excessive in the fiber, the heavy 73.1g of weighing wet fiber.It is 125 ℃ constant temperature oven that fiber is put into temperature, oven dry half an hour, is weighed as 50.28g.
The fiber room temperature that oven dry is good was placed 24 hours naturally, measured the volume resistivity of fiber, and measured value is: 8.3 * 10
7Ω cm.
Claims (10)
1. acrylic fibers durable antistatic agent by following steps preparations:
A, in the presence of initiator, alkylphenol polyoxyethylene acrylate or alkylphenol polyoxyethylene methacrylic ester carry out polyreaction with the vinyl monomer of band oxygen functional group, generate the static inhibitor macromole.
B, the static inhibitor macromole described in a is mixed with solution, adds solidifying agent and be the acrylic fibers durable antistatic agent.
2. static inhibitor according to claim 1, wherein the vinyl monomer of band oxygen functional group is glycidyl methacrylate, glycidyl acrylate, vinyl glycidyl ethers, propenyl glycidyl ethers, butenyl glycidyl ethers or butenoic acid glycidyl ester.
3. static inhibitor according to claim 1, wherein the vinyl monomer of band oxygen functional group is a glycidyl methacrylate.
4. according to claim 1,2 or 3 described static inhibitor, it is characterized in that the repetition number of ethylene oxide unit in described alkylphenol polyoxyethylene acrylate or the alkylphenol polyoxyethylene methacrylic acid ester molecule is 3～150.
5. according to claim 1,2 or 3 described static inhibitor, it is characterized in that described alkylphenol polyoxyethylene acrylate or alkylphenol polyoxyethylene methacrylic ester are 1: 0.7～1.8 with the mol ratio of the vinyl monomer of band oxygen functional group.
6. according to claim 1,2 or 3 described static inhibitor, it is characterized in that described polymeric reaction temperature is 50～100 ℃.
7. according to claim 1,2 or 3 described static inhibitor, it is characterized in that described polyreaction solvent for use is methyl-sulphoxide, dimethyl formamide, trichloromethane or water.
8. according to claim 1,2 or 3 described static inhibitor, it is characterized in that described initiator is azo-bis-isobutyl cyanide, azo two cyanogen in different heptan or benzoyl peroxide.
9. according to claim 1,2 or 3 described static inhibitor, it is characterized in that described solidifying agent is a linking agent 2,4, epoxiess such as 6--three (N, N-dimethyl)-amino-phenol, 591, T-31.
10. according to claim 1,2 or 3 described static inhibitor, it is characterized in that described hardener dose is 1.0～5.0% of a static inhibitor macromole weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02151546 CN1233772C (en) | 2002-12-31 | 2002-12-31 | Durable anti-static agent for acrylic fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02151546 CN1233772C (en) | 2002-12-31 | 2002-12-31 | Durable anti-static agent for acrylic fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1511915A true CN1511915A (en) | 2004-07-14 |
| CN1233772C CN1233772C (en) | 2005-12-28 |
Family
ID=34234425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02151546 Expired - Fee Related CN1233772C (en) | 2002-12-31 | 2002-12-31 | Durable anti-static agent for acrylic fiber |
Country Status (1)
| Country | Link |
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| CN (1) | CN1233772C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433747A (en) * | 2011-09-19 | 2012-05-02 | 上海大学 | Method for reducing pilling performance of acrylic fabric with active acrylate polymer |
| CN103643338A (en) * | 2013-12-13 | 2014-03-19 | 青岛大学 | Method for preparing antistatic fiber through super water absorbent micro-nano sphere |
| CN104693335A (en) * | 2013-12-10 | 2015-06-10 | 合肥杰事杰新材料股份有限公司 | Antistatic ABS composite material and preparation method thereof |
| CN113789003A (en) * | 2021-11-17 | 2021-12-14 | 江苏凯伦建材股份有限公司 | Self-cleaning anti-permeability waterproof sheet and preparation method and application thereof |
| CN115584635A (en) * | 2022-11-10 | 2023-01-10 | 苏州联胜化学有限公司 | Washable polyester finishing agent and synthesis method thereof |
-
2002
- 2002-12-31 CN CN 02151546 patent/CN1233772C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433747A (en) * | 2011-09-19 | 2012-05-02 | 上海大学 | Method for reducing pilling performance of acrylic fabric with active acrylate polymer |
| CN104693335A (en) * | 2013-12-10 | 2015-06-10 | 合肥杰事杰新材料股份有限公司 | Antistatic ABS composite material and preparation method thereof |
| CN104693335B (en) * | 2013-12-10 | 2017-11-03 | 合肥杰事杰新材料股份有限公司 | A kind of antistatic ABS composite and preparation method thereof |
| CN103643338A (en) * | 2013-12-13 | 2014-03-19 | 青岛大学 | Method for preparing antistatic fiber through super water absorbent micro-nano sphere |
| CN113789003A (en) * | 2021-11-17 | 2021-12-14 | 江苏凯伦建材股份有限公司 | Self-cleaning anti-permeability waterproof sheet and preparation method and application thereof |
| CN115584635A (en) * | 2022-11-10 | 2023-01-10 | 苏州联胜化学有限公司 | Washable polyester finishing agent and synthesis method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1233772C (en) | 2005-12-28 |
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Granted publication date: 20051228 Termination date: 20131231 |