CN101845749B - Method for producing inflaming retarding modified nitrilon - Google Patents
Method for producing inflaming retarding modified nitrilon Download PDFInfo
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- CN101845749B CN101845749B CN2010101729947A CN201010172994A CN101845749B CN 101845749 B CN101845749 B CN 101845749B CN 2010101729947 A CN2010101729947 A CN 2010101729947A CN 201010172994 A CN201010172994 A CN 201010172994A CN 101845749 B CN101845749 B CN 101845749B
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- nitrilon
- acrylic fibers
- guanidine
- inflaming retarding
- copper ions
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Abstract
The invention relates to a method for producing inflaming retarding modified nitrilon. The method is characterized by comprising the following steps of: firstly, adding nitrilon into copper ion-containing aqueous solution, and reacting the nitrilon with the copper ion-containing aqueous solution to obtain copper ion-containing nitrilon; secondly, soaking copper ion-containing yarns or copper ion-containing woolen yarns into mixed solution which consists of a guanidine reagent and a reaction aid for a certain time; and finally, performing squeeze-drying or spin-drying on the nitrilon together with the mixed solution or only the nitrilon into the nitrilon containing a certain amount of the aqueous solution, and putting the nitrilon into a high temperature and high pressure steaming sizing pot to perform dry blowing or steaming for a certain time under the condition with a high temperature to obtain the inflaming retarding modified nitrilon. According to the method, the nitrilon can be processed into the inflaming retarding modified nitrilon by only adopting the simple high temperature and high pressure steaming sizing pot and few matching processes and devices, the technology for producing the inflaming retarding nitrilon is greatly simplified; and the method for producing the inflaming retarding modified nitrilon has the advantages of low equipment investment, low production cost and easy realization of industrialization.
Description
Technical field
The present invention relates to a kind of manufacturing approach of inflaming retarding modified nitrilon, belong to chemical fibre manufacturing technology field.
Background technology
Acrylic fibers are a kind of synthetic fiber, and it has characteristics such as good warmth retention property, dyeability and simulate wool property.But acrylic fibers also have a lot of shortcomings, and are poor like hygroscopicity, be prone to produce static, very easily burning etc., and are prone to emit toxic gas in the burning and are detrimental to health and cause secondary environmental pollution.For improving the fire resistance of acrylic fibers; Various countries acrylic fibers worker has created many flame resistant methods; As processing Vinyon N, with fire retardant and the polyacrylonitrile blended inflaming retarding modified nitrilons of processing such as phosphorus system, chlorine system, nitrogen systems, with thermal oxide system fire resistance fibre etc. with using with the dichloroethylene copolymerization.
Summary of the invention
The purpose of this invention is to provide that a kind of technology is simple, cost of investment is low, have the manufacturing approach of the differential acrylic fibers of anti-flaming function.Its technology contents is:
A kind of manufacturing approach of acrylic fibers inflaming retarding modified nitrilon; It is characterized in that: at first acrylic fibers are joined and react the acrylic fibers of processing copper ions in the copper ions aqueous solution; Then the copper ions acrylic fibers are joined in the mixed solution that guanidine class reagent and reaction promoter form and soaked 3～30 minutes; Then with acrylic fibers together with mixed solution; Perhaps acrylic fibers are extracted or dried into moisture content and be not less than 50%, put in the HTHP decatize typing pot under 100～200 ℃ of temperature conditions dry blowing or decatize 30～300 minutes, process fire-retardant acrylic fibers.
Be to realize goal of the invention, the manufacturing approach of described inflaming retarding modified nitrilon, the copper ions aqueous solution is formulated by copper sulphate or stannous chloride and water, and copper sulphate or stannous chloride mass percent concentration are less than 3%.
For realizing goal of the invention; The manufacturing approach of described inflaming retarding modified nitrilon; The reaction condition of the acrylic fibers and the copper ions aqueous solution is: the bath raio 1: 10～15 of the acrylic fibers and the copper ions aqueous solution, and 10～100 ℃ of temperature were reacted 1～30 minute; Take out then and clean, promptly obtain the copper ions acrylic fibers through extracting or dry or drying.
Be to realize that goal of the invention, the manufacturing approach of described inflaming retarding modified nitrilon, reaction promoter are meant one or more the combination in any in NaOH or potassium hydroxide and surfactant, scouring agent, levelling agent, bleeding agent, retarding agents, the emulsifying agent.
Be to realize that goal of the invention, the manufacturing approach of described inflaming retarding modified nitrilon, guanidine class reagent are meant a kind of in biphosphate guanidine, phosphoric acid hydrogen two guanidines, guanidine carbonate, Guanidine Sulfamate 99, amidosulphuric acid guanidine, amino-guanidine nitrate, guanidine sulfate, guanidine hydrochloride, the guanidine nitrate.
Be the realization goal of the invention, the manufacturing approach of described inflaming retarding modified nitrilon, the atmosphere in the HTHP decatize typing pot can be an air, also can be nitrogen, also can the air emptying in the pot be become the steam atmosphere with overheated or saturated vapor.
For realizing goal of the invention; The manufacturing approach of described inflaming retarding modified nitrilon; The mass percent concentration of guanidine class reagent is 3%～30% in the mixed solution; The mass percent concentration of NaOH or potassium hydroxide and other reaction promoter is all less than 3%, the bath raio of copper ions acrylic fibers and mixed solution 1: 6～15.
The present invention compared with prior art has following advantage:
1, acrylic fibers reaction in the mixed solution of guanidine class reagent and reaction promoter composition just can obtain flame retardant effect.
2, production technology of the present invention is simple, and equipment investment is few, and production cost is low, easy realization of industrialization.Only need a HTHP decatize typing pot and seldom process matched therewith and equipment, just can be processed into acrylic fibers the inflaming retarding modified nitrilon of anti-flaming function.
The specific embodiment
Embodiment 1:
Getting acrylic fibers 7g, to join mass percent concentration by 1: 15 bath raio be in the middle of 0.5% the sulfur acid copper liquor, and normal temperature dipping reaction 20 minutes is down taken out to clean and extracted.Then the copper ions acrylic fibers are joined in the mixed solution by 1: 6 bath raio and soaked 5 minutes, wherein the mass percent concentration of biphosphate guanidine is 5% in the mixed solution, the mass percent concentration of NaOH and surfactant is 0.2%.Then acrylic fibers were put in the HTHP decatize typing pot under 130 ℃ of conditions dry blowing 240 minutes together with mixed solution, take out and clean oven dry and promptly obtain flame-retardant acrylic fibre.
Embodiment 2:
Getting acrylic fibers 8g, to join mass percent concentration by 1: 12 bath raio be in the middle of 1% the sulfur acid copper liquor, and 50 ℃ of dipping reactions 15 minutes are taken out to clean and extracted.Then the copper ions acrylic fibers are joined in the mixed solution by 1: 8 bath raio and soaked 10 minutes; Wherein the mass percent concentration of phosphoric acid hydrogen two guanidines is 10% in the mixed solution, the mass percent concentration of NaOH is 0.5%, and the mass percent concentration of retarding agents and scouring agent is 0.3%.Then acrylic fibers were put in the HTHP decatize typing pot under 140 ℃ of conditions dry blowing 200 minutes together with mixed solution, take out and clean oven dry and promptly obtain flame-retardant acrylic fibre.
Embodiment 3:
Getting acrylic fibers 10g, to join mass percent concentration by 1: 10 bath raio be in the middle of 1.5% the sulfur acid copper liquor, and 100 ℃ of dipping reactions 10 minutes are taken out to clean and extracted.Then the copper ions acrylic fibers are joined in the mixed solution by 1: 10 bath raio and soaked 15 minutes; Wherein the mass percent concentration of amidosulphuric acid guanidine is 15% in the mixed solution, the mass percent concentration of NaOH is 1%, and the mass percent concentration of bleeding agent and levelling agent is 0.5%.Then acrylic fibers being dried into moisture content is 70%, puts in the HTHP decatize typing pot under 150 ℃ of conditions dry blowing 150 minutes, takes out to clean oven dry and promptly obtain flame-retardant acrylic fibre.
Embodiment 4:
Getting acrylic fibers 8g, to join mass percent concentration by 1: 12 bath raio be 1.0% contain in the middle of the cuprous aqueous solution of chlorination, and 10 ℃ of dipping reactions 20 minutes are taken out to clean and extracted.Then the copper ions acrylic fibers are joined in the mixed solution by 1: 12 bath raio and soaked 20 minutes; Wherein the mass percent concentration of guanidine sulfate is 20% in the mixed solution, the mass percent concentration of potassium hydroxide is 1%, and the mass percent concentration of bleeding agent and emulsifying agent is 0.5%.Then acrylic fibers being dried into moisture content is 150%, puts in the HTHP decatize typing pot under 160 ℃ of conditions dry blowing 120 minutes, takes out to clean oven dry and promptly obtain flame-retardant acrylic fibre.
Embodiment 5:
Getting acrylic fibers 10g, to join mass percent concentration by 1: 15 bath raio be 1.5% contain in the middle of the cuprous aqueous solution of chlorination, and 60 ℃ of dipping reactions 30 minutes are taken out to clean and extracted.Then the copper ions acrylic fibers are joined in the mixed solution by 1: 15 bath raio and soaked 30 minutes, wherein the mass percent concentration of guanidine hydrochloride is 25% in the mixed solution, the mass percent concentration of potassium hydroxide is 3%, the mass percent concentration of retarding agents is 1.0%.Then acrylic fibers being dried into moisture content is 300%, puts in the HTHP decatize typing pot under 180 ℃ of conditions dry blowing 100 minutes, takes out to clean oven dry and promptly obtain flame-retardant acrylic fibre.
Claims (4)
1. the manufacturing approach of an inflaming retarding modified nitrilon; It is characterized in that: at first acrylic fibers are joined and react the acrylic fibers of processing copper ions in the copper ions aqueous solution; Then the copper ions acrylic fibers are joined in the mixed solution that guanidine class reagent and reaction promoter form and soaked 3～30 minutes; Then with acrylic fibers together with mixed solution; Perhaps acrylic fibers are extracted or dried into moisture content and be not less than 50%, put in the HTHP decatize typing pot under 100～200 ℃ of temperature conditions dry blowing or decatize 30～300 minutes, process fire-retardant acrylic fibers; Wherein, Guanidine class reagent is meant a kind of in biphosphate guanidine, phosphoric acid hydrogen two guanidines, guanidine carbonate, Guanidine Sulfamate 99, amidosulphuric acid guanidine, amino-guanidine nitrate, guanidine sulfate, guanidine hydrochloride, the guanidine nitrate in the mixed solution; Reaction promoter is meant one or more the combination in any in NaOH or potassium hydroxide and surfactant, scouring agent, levelling agent, bleeding agent, retarding agents, the emulsifying agent; The mass percent concentration of guanidine class reagent is 3%～30% in the mixed solution; The mass percent concentration of NaOH or potassium hydroxide and other reaction promoter is all less than 3%, the bath raio of copper ions acrylic fibers and mixed solution 1: 6～15.
2. the manufacturing approach of inflaming retarding modified nitrilon according to claim 1 is characterized in that: the copper ions aqueous solution is formulated by copper sulphate or stannous chloride and water, and copper sulphate or stannous chloride mass percent concentration are less than 3%.
3. the manufacturing approach of inflaming retarding modified nitrilon according to claim 1; It is characterized in that: the reaction condition of the acrylic fibers and the copper ions aqueous solution is: the bath raio 1: 10～15 of the acrylic fibers and the copper ions aqueous solution; 10～100 ℃ of temperature; Reacted 1～30 minute, and took out then and clean, promptly obtain the copper ions acrylic fibers through extracting or dry or drying.
4. the manufacturing approach of inflaming retarding modified nitrilon according to claim 1; It is characterized in that: the atmosphere in the HTHP decatize typing pot can be an air; Also can be nitrogen, also can the air emptying in the pot be become the steam atmosphere with overheated or saturated vapor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101729947A CN101845749B (en) | 2010-05-05 | 2010-05-05 | Method for producing inflaming retarding modified nitrilon |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101729947A CN101845749B (en) | 2010-05-05 | 2010-05-05 | Method for producing inflaming retarding modified nitrilon |
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| Publication Number | Publication Date |
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| CN101845749A CN101845749A (en) | 2010-09-29 |
| CN101845749B true CN101845749B (en) | 2012-04-25 |
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| CN2010101729947A Expired - Fee Related CN101845749B (en) | 2010-05-05 | 2010-05-05 | Method for producing inflaming retarding modified nitrilon |
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| CN105887482B (en) * | 2016-05-05 | 2019-01-25 | 无锡市长安曙光手套厂 | A kind of preparation method of the fire-retardant polyacrylonitrile fire resistance fibre containing high vertical structure polyacrylonitrile |
| CN110670347B8 (en) * | 2019-06-26 | 2020-08-21 | 广州迪柯尼服饰股份有限公司 | Preparation method of antibacterial blended fabric |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5051110A (en) * | 1989-04-27 | 1991-09-24 | Courtaulds Plc | Fibrous material |
| CN101476243A (en) * | 2009-01-13 | 2009-07-08 | 山东理工大学 | Method for manufacturing flame-retardant acrylic fibre |
-
2010
- 2010-05-05 CN CN2010101729947A patent/CN101845749B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5051110A (en) * | 1989-04-27 | 1991-09-24 | Courtaulds Plc | Fibrous material |
| CN101476243A (en) * | 2009-01-13 | 2009-07-08 | 山东理工大学 | Method for manufacturing flame-retardant acrylic fibre |
Non-Patent Citations (1)
| Title |
|---|
| 陆大年等.肼-铜离子阻燃改性腈纶的结构及其阻燃机理.《中国纺织大学学报》.1989,第15卷(第2期),全文. * |
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| CN101845749A (en) | 2010-09-29 |
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