# US 10,308,799 B2 · Fiber reinforced polyvinyl chloride and copolyester compositions and articles made using these compositions > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,308,799 B2 - Document ID: US10308799B2 - Status: Granted - Kind: B2 - Application number: 15/628,743 - Filed: 2017-06-21 - Published: 2018-12-27 - Granted: 2019-06-04 - Earliest claimed: 2017-06-21 - Assignees: Eastman Chemical Company - Applicants: Eastman Chemical Company - Inventors: Marc Alan Strand; Robert Erik Young; Mark Allan Treece - Web page: https://patentgrep.com/patent/US10308799B2 ## CPC - C08L 27/06: Homopolymers or copolymers of vinyl chloride - C08G 63/183: Terephthalic acids - C08J 5/043: {with glass fibres} - C08J 5/18: Manufacture of films or sheets - C08L 67/02: Polyesters derived from dicarboxylic acids and dihydroxy compounds (C08L67/06 takes precedence) - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) - C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS - C08J: WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H (working, e.g. shaping, of plastics B29) ## Abstract This disclosure pertains to fiber reinforced polyvinyl chloride compositions which comprise fibrous materials, at least one polyvinyl chloride resins and at least one high Tg copolyester. Processes for producing the novel fiber reinforced polyvinyl chloride compositions as well as articles made using these compositions. ## Claims ### Claim 1 A polyvinyl chloride composition comprising a polyvinyl chloride resin, fibrous materials and at least one copolyester which comprises: (a) a dicarboxylic acid component comprising: (i) about 50 to about 100 mole % of terephthalic acid residues; (ii) about 0 to about 50 mole % of aromatic and/or aliphatic dicarboxylic acid residues having up to 20 carbon atoms; and (b) a glycol component comprising: (i) about 60 to about 100 mole % of a modifying glycol consisting of 2 to 20 carbon atoms; and (ii) about 0 to about 40 mole % of a second modifying glycol consisting of 2 to 20 carbon atoms; wherein the total mole % of the dicarboxylic acid component is 100 mole %, and wherein the total mole % of the glycol component is 100 mole %, and wherein the copolyester is amorphous and has a Tg of about 90° C. or higher. ### Claim 2 (depends on 1) The polyvinyl chloride composition of claim 1, wherein the Tg of the copolyester is at least about 90° C. or higher. ### Claim 3 (depends on 1) The polyvinyl chloride composition of claim 1, wherein the Tg of the copolyester is at least about 100° C. or higher. ### Claim 4 (depends on 1) The polyvinyl chloride composition of claim 1, wherein the copolyester has a crystallization half time of about 5 minutes or greater. ### Claim 5 (depends on 1) The polyvinyl chloride composition of claim 1, wherein the copolyester has a crystallization half time of about 10 minutes or greater. ### Claim 6 (depends on 1) The polyvinyl chloride composition of claim 1, wherein the fibrous materials are glass fibers. ### Claim 7 (depends on 1) The polyvinyl chloride composition of claim 1, wherein the fibrous materials are fiberglass, glass fibers, carbon fibers, boron fibers, whisker, metallic fibers, inorganic fibers, aramid fibers, basalt fibers, mineral fibers, and combinations thereof. ### Claim 8 (depends on 1) The polyvinyl chloride composition of claim 1, wherein the copolyester is about 1 to about 100 parts per hundred resin (phr) based on the content of the polyvinyl chloride resin in the composition. ### Claim 9 (depends on 6) The polyvinyl chloride composition of claim 6, wherein the glass fiber content is up to about 65% by weight based on the total weight of the composition. ### Claim 10 (depends on 6) The polyvinyl chloride composition of claim 6, wherein the glass fiber content is up to about 40% by weight based on the total weight of the composition. ### Claim 11 (depends on 6) The polyvinyl chloride composition of claim 6, wherein the glass fiber content is about 40 to 65% by weight based on the total weight of the composition. ### Claim 12 (depends on 6) The polyvinyl chloride composition of claim 6, wherein the glass fiber content is about 30 to 65% by weight based on the total weight of the composition. ### Claim 13 (depends on 1) The polyvinyl chloride composition of claim 1, wherein the content of the fibrous materials is greater than about 30% by weight based on the total weight of the composition. ### Claim 14 (depends on 6) The polyvinyl chloride composition of claim 6, wherein the glass fiber content is at least about 60% by weight based on the total weight of the composition. ### Claim 15 (depends on 1) The polyvinyl chloride composition of claim 1, wherein the content of the fibrous materials is about 1% to about 65% by weight based on the total weight of the composition. ### Claim 16 (depends on 1) The polyvinyl chloride composition of claim 1, wherein the ratio of PVC:copolyester on a weight fraction basis is greater than about 1. ### Claim 17 (depends on 1) The polyvinyl chloride composition of claim 1, wherein the content of the fibrous materials is at least about 40% by weight based on the total weight of the composition. ### Claim 18 (depends on 6) The polyvinyl chloride composition of claim 6, wherein the glass fibers are short fibers and have a length of less than about 4 mm. ### Claim 19 (depends on 6) The polyvinyl chloride composition of claim 6, wherein the glass fibers are long fibers and have a length of greater than about 4 mm. ### Claim 20 (depends on 6) The polyvinyl chloride composition of claim 6, wherein the copolyester has a viscosity range of about 1,000 poise to about 1,000,000 poise measured at a temperature of about 170° C. to about 230° C. and at a shear rate of 10 s−1, and a surface energy of equal to or greater than about 40 dynes per cm, and wherein the glass fiber content is up to about 65% by weight based on the total weight of the composition. ### Claim 21 (depends on 1) The polyvinyl chloride composition of claim 1, wherein said polyvinyl chloride resin is a polyvinyl chloride resin, a chlorinated polyvinyl chloride resin, or alloys thereof. ### Claim 22 (depends on 1) The polyvinyl chloride composition of claim 1, wherein said composition further comprising at least one additive selected from the group consisting of processing aids, plasticizers, stabilizers, impact modifiers, biocides, flame retardants, foaming agents, blowing agents, thermal stabilizers, UV stabilizers, UV absorbers, minerals, pigments, dyes, colorants, fillers, fibers, waxes, fusion promoters, antioxidants, antistatic agents, release agents, lubricants, additional resins, and heat distortion temperature modifiers. ### Claim 23 (depends on 1) An article formed by melt-processing the polyvinyl chloride composition of claim 1. ### Claim 24 (depends on 23) The article of claim 23, wherein said melt processing involves calendering, injection molding or extrusion. ### Claim 25 (depends on 23) The article of claim 23, wherein said polyvinyl chloride resin is rigid. ### Claim 26 (depends on 23) The article of claim 23, wherein said article comprises films, sheets, profiles or injection molded parts. ### Claim 27 A method of producing a fiber reinforced polyvinyl chloride composition comprising: compounding fibrous materials with a miscible admixture of at least one polyvinyl chloride resin and at least one copolyester which comprises: (a) a dicarboxylic acid component comprising: (i) about 50 to about 100 mole % of terephthalic acid residues; (ii) about 0 to about 50 mole % of aromatic and/or aliphatic dicarboxylic acid residues having up to 20 carbon atoms; and (b) a glycol component comprising: (i) about 60 to about 100 mole % of a modifying glycol consisting of 2 to 20 carbon atoms; and (ii) about 0 to about 40 mole % of a second modifying glycol consisting of 2 to 20 carbon atoms; wherein the total mole % of the dicarboxylic acid component is 100 mole %, and wherein the total mole % of the glycol component is 100 mole %; to produce a viscous thermoplastic material; extruding the compound through a die to produce pellets; and introducing the pellets into a calendering, extrusion or injection molding process to produce fiber reinforced polyvinyl chloride articles, wherein the copolyester is amorphous and has a Tg of about 90° C. or higher. ### Claim 28 A method of producing a fiber reinforced polyvinyl chloride composition comprising: compounding fibrous materials with at least one copolyester which comprises: (a) a dicarboxylic acid component comprising: (i) about 50 to about 100 mole % of terephthalic acid residues; (ii) about 0 to about 50 mole % of aromatic and/or aliphatic dicarboxylic acid residues having up to 20 carbon atoms; and (b) a glycol component comprising: (i) about 60 to about 100 mole % of a modifying glycol consisting of 2 to 20 carbon atoms; and (ii) about 0 to about 40 mole % of a second modifying glycol consisting of 2 to 20 carbon atoms; wherein the total mole % of the dicarboxylic acid component is 100 mole %, and wherein the total mole % of the glycol component is 100 mole %; to produce a viscous thermoplastic material; mixing the compounded composition with a polyvinyl chloride resin to create a polyvinyl chloride composition of about 1 to about 65 percent fibrous materials content based on the total weight of the composition; extruding the polyvinyl chloride composition through a die to produce pellets; and introducing the pellets into a calendering, extrusion or injection molding process to produce fiber reinforced polyvinyl chloride articles, wherein the copolyester is amorphous and has a Tg of about 90° C. or higher. ### Claim 29 (depends on 27, 28) The method of claim 27 or 28, wherein the copolyester has a viscosity range of about 1,000 poise to about 1,000,000 poise measured at a temperature of about 170° C. to about 230° C. and a shear rate of 10 s−1, and a surface energy of equal to or greater than about 40 dynes per cm and wherein the content of the fibrous materials is up to about 65% by weight based on the total weight of the composition. ### Claim 30 (depends on 27, 28) The method of claim 27 or 28, wherein the copolyester has a viscosity range of about 1,000 poise to about 1,000,000 poise measured at a temperature of about 170° C. to about 230° C. and a shear rate of 10 s−1, and a surface energy of equal to or greater than about 40 dynes per cm and wherein the content of the fibrous materials is at least about 30% by weight based on the total weight of the composition. ### Claim 31 (depends on 27, 28) The method of claim 27 or 28, wherein said polyvinyl chloride composition is rigid. ### Claim 32 (depends on 27, 28) The method of claim 27 or 28, wherein the fibrous materials are glass fibers. ### Claim 33 (depends on 27, 28) The method of claim 27 or 28, wherein the fibrous materials are fiberglass, glass fibers, carbon fibers, boron fibers, whisker, metallic fibers, inorganic fibers, aramid fibers, basalt fibers, mineral fibers, or combinations thereof. ### Claim 34 (depends on 27, 28) A polyvinyl chloride article made using the method of claim 27 or 28 having a Tg up to 110° C. or a HDT of up to 130° C. ### Claim 35 (depends on 27, 28) The method of claim 27 or 28, wherein the articles are articles of building and construction, corner profiles, decking, fencing, railings, soffits, vinyl siding, cladding, window profiles, door frames, siding, fences, gutters, pipes, piping, electrical and electronic enclosures, electrical junction boxes, automobile interiors and exteriors, appliances, office equipment, sign enclosures, medical devices, aircraft interiors, or other high temperature applications. ### Claim 36 (depends on 1) An article of manufacture comprising the polyvinyl chloride compositions of claim 1. ### Claim 37 (depends on 27, 28) The method of claim 27 or 28, wherein said polyvinyl chloride resin is a polyvinyl chloride resin, chlorinated polyvinyl chloride resin, or alloys thereof. ### Claim 38 (depends on 27, 28) The method of claim 27 or 28, wherein said composition further comprising at least one additive selected from the group consisting of processing aids, plasticizers, stabilizers, impact modifiers, biocides, flame retardants, foaming agents, blowing agents, thermal stabilizers, UV stabilizers, UV absorbers, minerals, pigments, dyes, colorants, fillers, fibers, waxes, fusion promoters, antioxidants, antistatic agents, release agents, lubricants, additional resins, and heat distortion temperature modifiers.