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US 6,066,697 AGranted
Thermoplastic compositions containing elastomers and fluorine containing thermoplastics
AssigneeThe University of Akron
InventorsAubert Y. Coran, Oansuk Chung
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Abstract
A thermoplastic vulcanizate prepared by dynamically vulcanizing a rubber within a blend that comprises the rubber, a fluorine containing thermoplastic, and a vulcanizing agent; wherein the rubber is selected from nitrile rubber, hydrogenated nitrile rubber, amino-functionalized nitrile rubber, acrylonitrile-isoprene rubber, and mixtures thereof.
Claims29
A thermoplastic vulcanizate prepared by:
- dynamically vulcanizing a rubber within a blend that comprises the rubber, a fluorine containing thermoplastic, and a vulcanizing agent;
- wherein the rubber is selected from nitrile rubber, hydrogenated nitrile rubber, amino-functionalzed nitrile rubber, acrylonitrile-isoprene rubber, and mixtures thereof.
A polymeric blend comprising:
- a rubber selected from the group consisting of nitrile rubber, hydrogenated nitrile rubber, amino-functionalized nitrile rubber, acrylonitrile-isoprene rubber, and mixtures thereof;
- a fluorine containing thermoplastic;
- and,
- a compatibilizing agent selected from the group consisting of poly(methyl vinyl ketone) and poly(vinylpyrrolidone), wherein said rubber is in the form of fine particles dispersed throughout said fluorine containing thermoplastic.
1 more element
A thermoplastic vulcanizate comprising:
- from about 30 to about 80 parts by weight of vulcanized rubber particles, wherein said particles have a number-average particle size of less than about 25 micrometers;
- and
- from about 20 to about 70 parts by weight of a polyvinylidene fluoride, wherein said rubber and said polyvinylidene fluoride total about 100 parts by weight, and wherein said rubber particles are dispersed within a matrix of said polyvinylidene fluoride.
A thermoplastic vulcanizate comprising:
- from about 30 to about 80 parts by weight of vulcanized rubber particles, wherein said particles have a number-average particle size of less than about 25 micrometers;
- from about 20 to about 70 parts by weight of a polyvinylidene fluoride, wherein said rubber and said polyvinylidene fluoride total about 100 parts by weight;
- and
- from about 0.2 to about 20 parts by weight, per one hundred parts by weight of rubber and polyvinylidene fluoride combined, of a compatibilizing agent selected from the group consisting of poly(methyl vinyl ketone) and poly(vinylpyrrolidone).
1 more element
Dependencies are inferred from the claim text.