Ruth E Gallagher

from Kearny, NJ

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Reinforcement Of Vinyl Chloride Resins With Suspension Emulsion Interpolymers
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US Patent:

39694313, Jul 13, 1976
Filed:

Nov 13, 1973
Appl. No.:

5/415464
Inventors:

Ruth E. Gallagher - Dobbs Ferry NY
Assignee:

Stauffer Chemical Company - Westport CT
International Classification:

C08L 5106
C08L 2706
C08L 3102
US Classification:

260876R
Abstract:

Rigid vinyl chloride polymers are reinforced by admixture with a plurality of elastomer-containing interpolymer particles which are prepared by the suspension polymerization of vinyl chloride in the presence of an aqueous emulsion of particles comprising a crosslinked butyl acrylate/2-ethylhexyl acrylate acrylic elastomer having a Tg of less than about 25. degree. C. The resulting reinforced vinyl chloride polymers display excellent physical properties.

Low Fusion Copolymer Comprising Vinyl Chloride, Vinyl Acetate, And Bis(Hydrocarbyl)Vinylphosphonate
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US Patent:

40976637, Jun 27, 1978
Filed:

Jan 29, 1976
Appl. No.:

5/653313
Inventors:

Ruth E. Gallagher - Dobbs Ferry NY
Jagadish C. Goswami - New City NY
Assignee:

Stauffer Chemical Company - Westport CT
International Classification:

C08J 900
C08F 3002
C08F 432
US Classification:

526278
Abstract:

An emulsion copolymer resin which contains from about 75% to about 90% by weight vinyl chloride, from about 5% to about 15% vinyl acetate and from about 5% to about 15% of a bis(hydrocarbyl)vinylphosphonate, has a fusion temperature of from about 200. degree. F. to about 300. degree. F. and has utility as a low fusion resin in the formation of cellular polyvinyl chloride products.

Internally Plasticized Vinyl Chloride Copolymer Composition
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US Patent:

42107393, Jul 1, 1980
Filed:

Jul 21, 1978
Appl. No.:

5/926773
Inventors:

Ruth E. Gallagher - Dobbs Ferry NY
Jagadish C. Goswami - New City NY
Paul Kraft - Spring Valley NY
Arthur J. Yu - Stamford CT
Assignee:

Stauffer Chemical Company - Westport CT
International Classification:

C08F21406
C08F22018
US Classification:

526325
Abstract:

An internally plasticized vinyl chloride copolymer composition having good low temperature flexibility and tensile properties is disclosed. It consists essentially of from about 45% to about 80%, by weight, vinyl chloride, from about 15% to about 54%, by weight, of a C. sub. 2 -C. sub. 10 alkyl acrylate, and from about 1% to about 15%, by weight, of one or more C. sub. 8 -C. sub. 22 dialkyl maleate and/or fumarate. The copolymer is formed using conventional suspension, emulsion, bulk and solution polymerization procedures.

Rigid Plastic Admixed With Crosslinked Acrylate/Vinyl Chloride Interpolymer
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US Patent:

39883930, Oct 26, 1976
Filed:

Jul 25, 1975
Appl. No.:

5/599262
Inventors:

Ruth E. Gallagher - Dobbs Ferry NY
Assignee:

Stauffer Chemical Company - Westport CT
International Classification:

C08L 5100
C08L 5300
US Classification:

260876R
Abstract:

Certain rigid plastics are reinforced by admixture with a plurality of rubber-containing interpolymer particles which are prepared by the suspension polymerization of vinyl chloride in the presence of an aqueous emulsion of particles comprising a crosslinked acrylic rubber having a Tg of less than about 25. degree. C. The resulting reinforced plastics display excellent physical properties.