CN1049901C - Graft copolymerization of acrylonitrile-butadiene-styrene - Google Patents
Graft copolymerization of acrylonitrile-butadiene-styrene Download PDFInfo
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- CN1049901C CN1049901C CN96114795A CN96114795A CN1049901C CN 1049901 C CN1049901 C CN 1049901C CN 96114795 A CN96114795 A CN 96114795A CN 96114795 A CN96114795 A CN 96114795A CN 1049901 C CN1049901 C CN 1049901C
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- butadiene
- acrylonitrile
- grafted
- styrene
- grafting
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Abstract
The present invention belongs to a method for the melt grafting of an acrylonitrile-butadiene-styrene monomer high polymer. In the present invention, peroxide is used as an initiating agent, and epoxypropyl methacrylate is grafted on a molecule chain of an acrylonitrile-butadiene-styrene monomer copolymer in the molten state in a mode that styrene monomer is used as auxiliary graft monomer. The graft ratio of the obtained grafted high polymer is from 0.1 to 6% mol, and compared with the copolymer which is not grafted, a melt flow rate index is not changed obviously. The appearance of the grafted high polymer is obviously better than that of the high polymer which is not grafted.
Description
The invention belongs to the copolymerization of acrylonitrile-butadiene-styrene grafting method.
Introducing the small molecules organic compound of band reactive functional groups on acrylonitrile-butadiene-phenylethylene copolymer molecule chain can give this base polymer new additional properties, as with mineral filler, fiber, the adhesive property of metal and pottery etc., and improve and other polymkeric substance (as polymeric amide, polyester) consistency, the preparation polymer alloy.Japanese Patent JP01294756, JP0386759, JP0317147 and U.S. Pat 5077342, it is initiator with the superoxide that US4902749 etc. disclose relevant acrylonitrile-butadiene-styrene copolymer, the preparation method of solution and fusion-grafting maleic anhydride, because maleic anhydride has higher volatility and toxicity, has limited the industrial applications of this method, the existence of superoxide simultaneously makes acrylonitrile-butadiene-styrene copolymer generation obvious degradation.
The purpose of this invention is to provide a kind of new low volatility, nontoxic grafted monomer and select the processing technology condition to make the second monomeric adding obviously suppress the DeR of multipolymer, preparation has the acrylonitrile-butadiene-phenylethene grafted copolymer of high reaction activity.
The present invention adopts acrylonitrile-butadiene-styrene (ABS), weight ratio is 20～40: 10-40: 70～20,100 parts, grafted monomer is 0.1～20 part of a glytidyl methacrylate, 0.1～5 part of dicumyl peroxide, vinylbenzene 1-10 part, in single screw extrusion machine, twin screw extruder or Banbury mixer, react behind the mixing and extrude, extrusion temperature is 180 ℃-240 ℃, and screw speed is 20～100 rev/mins, and percentage of grafting is 0.1～6% mole.Percentage of grafting adopts chemistry titration and infrared spectroscopic determination.
The present invention adopts low volatility, and nontoxic glytidyl methacrylate is a grafted monomer, has overcome the toxicity and the corrosion problems of maleic anhydride.Owing to add vinylbenzene second monomer, suppress the DeR of acrylonitrile-butadiene-styrene copolymer simultaneously, kept the physical and mechanical properties of former multipolymer substantially.Percentage of grafting is higher 0.5～2% mole than the system of not having the existence of second monomer, and grafts is apparent significantly better than the multipolymer before the grafting.
Embodiment provided by the invention is as follows: embodiment 1:
Acrylonitrile-butadiene-styrene copolymer weight consisted of 35: 20: 45,100 parts, add 8 parts of glytidyl methacrylate, 4 parts of vinylbenzene and 0.5 part of dicumyl peroxide mix, add in the single screw extrusion machine, 220 ℃ of extrusion temperatures, 60 rev/mins of screw speeds, extrudate percentage of grafting are 2.5% mole.Embodiment 2:
Acrylonitrile-butadiene-styrene copolymer weight is formed 25: 35: 40,50 parts, add in the Banbury mixer, 180 ℃ of following fusions after 5 minutes, with 2 parts of methacrylic epoxy propyl ester, 0.1 part dicumyl peroxide and 2 parts of vinylbenzene add in the Banbury mixer simultaneously, and stirring velocity is 32 rev/mins, stirred 10 minutes, the percentage of grafting of gained graft copolymer is 0.7% mole.Embodiment 3:
Acrylonitrile-butadiene-styrene copolymer weight is formed 25: 40: 35, and 100 parts, 12 parts of glytidyl methacrylate, 10 parts of 2 parts of dicumyl peroxides and vinylbenzene, add in the twin screw extruder 200 ℃ of extrusion temperatures, 40 rev/mins of screw speeds behind the mixing.The extrudate percentage of grafting is 37% mole.Embodiment 4:
Acrylonitrile-butadiene-styrene copolymer weight is formed 40: 15: 45, and 100 parts, 18 parts of glytidyl methacrylate, 8 parts of 4 parts of dicumyl peroxides and vinylbenzene add in the single screw extrusion machine 240 ℃ of extrusion temperatures, 80 rev/mins of screw speeds behind the mixing.The extrudate percentage of grafting is 5.2% mole.
Claims (1)
1. a superoxide causes acrylonitrile-butadiene-styrene copolymer fusion-grafting method, it is characterized in that adopting acrylonitrile-butadiene-styrene (ABS), weight ratio is 20-40: 10-40: 70-20,100 parts, grafted monomer is glytidyl methacrylate 0.1-20 part, dicumyl peroxide 0.1-5 part, vinylbenzene 1-10 part, in single screw extrusion machine, twin screw extruder or Banbury mixer, react behind the mixing and extrude, extrusion temperature is 180 ℃-240 ℃, screw rod or Banbury mixer rotating speed are 20-100 rev/min, and percentage of grafting is the 0.1-6% mole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96114795A CN1049901C (en) | 1996-12-26 | 1996-12-26 | Graft copolymerization of acrylonitrile-butadiene-styrene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96114795A CN1049901C (en) | 1996-12-26 | 1996-12-26 | Graft copolymerization of acrylonitrile-butadiene-styrene |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1186081A CN1186081A (en) | 1998-07-01 |
| CN1049901C true CN1049901C (en) | 2000-03-01 |
Family
ID=5122306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96114795A Expired - Fee Related CN1049901C (en) | 1996-12-26 | 1996-12-26 | Graft copolymerization of acrylonitrile-butadiene-styrene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1049901C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967216A (en) * | 2010-09-29 | 2011-02-09 | 深圳市科聚新材料有限公司 | Maleic anhydride melt-grafted ABS and preparation method thereof |
| CN102492101B (en) * | 2011-11-21 | 2013-07-10 | 福建师范大学 | ABS melt-grafting glycidyl methacrylate and preparation method thereof |
| CN102408524B (en) * | 2011-11-21 | 2013-10-30 | 福建师范大学 | Multi-monomer melt-grafted acrylonitrile-butadiene-styrene copolymer and preparation method thereof |
| CN102516464B (en) * | 2011-11-30 | 2013-08-07 | 贵州省复合改性聚合物材料工程技术研究中心 | Epoxypropyl methacrylate grafting acrylonitrile butadiene styrene (ABS) copolymer and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01294756A (en) * | 1988-05-23 | 1989-11-28 | Ube Cycon Ltd | Modified abs resin, its production and polyamide resin composition |
| EP0564240A1 (en) * | 1992-04-03 | 1993-10-06 | General Electric Company | Impact modified resin compositions |
-
1996
- 1996-12-26 CN CN96114795A patent/CN1049901C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01294756A (en) * | 1988-05-23 | 1989-11-28 | Ube Cycon Ltd | Modified abs resin, its production and polyamide resin composition |
| EP0564240A1 (en) * | 1992-04-03 | 1993-10-06 | General Electric Company | Impact modified resin compositions |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1186081A (en) | 1998-07-01 |
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