Blow-moldable polyester resin composition, and blow molded articles thereof
Polyester resin compositions which are especially adapted for use in blow-molding or extrusion-molding of shaped hollow articles is a melt-blend of (A) polyester base resin, and (B) a styrenic copolymer having between 40 to 97% by weight of units derived from styrene, between 3 to 60% by weight of a...
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Main Authors | , , , |
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Format | Patent |
Language | English |
Published |
04.06.1996
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Edition | 6 |
Subjects | |
Online Access | Get full text |
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Abstract | Polyester resin compositions which are especially adapted for use in blow-molding or extrusion-molding of shaped hollow articles is a melt-blend of (A) polyester base resin, and (B) a styrenic copolymer having between 40 to 97% by weight of units derived from styrene, between 3 to 60% by weight of a glycidyl ester of an alpha , beta -unsaturated acid, and optionally up to 50% by weight of units derived from an auxiliary vinylic comonomer other than styrene. The styrenic copolymer is preferably present in the compositions in an effective amount between 0.5 to 10 parts by weight, per 100 parts by weight of the polyester base resin, sufficient to impart a melt tension of greater than 5.0 grams and a drawdown index of greater than 2.0 to the composition. The compositions may optionally contain up to 100 parts by weight (based on 100 parts by weight of the polyester base resin) of a fibrous, powdery or flaky filler material. |
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AbstractList | Polyester resin compositions which are especially adapted for use in blow-molding or extrusion-molding of shaped hollow articles is a melt-blend of (A) polyester base resin, and (B) a styrenic copolymer having between 40 to 97% by weight of units derived from styrene, between 3 to 60% by weight of a glycidyl ester of an alpha , beta -unsaturated acid, and optionally up to 50% by weight of units derived from an auxiliary vinylic comonomer other than styrene. The styrenic copolymer is preferably present in the compositions in an effective amount between 0.5 to 10 parts by weight, per 100 parts by weight of the polyester base resin, sufficient to impart a melt tension of greater than 5.0 grams and a drawdown index of greater than 2.0 to the composition. The compositions may optionally contain up to 100 parts by weight (based on 100 parts by weight of the polyester base resin) of a fibrous, powdery or flaky filler material. |
Author | SHIWAKU; TOSHIO HIJIKATA; KENJI FURUI; KENJI MASATO; SUZUKI |
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RelatedCompanies | POLYPLASTICS CO., LTD |
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Snippet | Polyester resin compositions which are especially adapted for use in blow-molding or extrusion-molding of shaped hollow articles is a melt-blend of (A)... |
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SubjectTerms | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP |
Title | Blow-moldable polyester resin composition, and blow molded articles thereof |
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