THERMALLY SHRINKABLE POLYESTER-BASED FILM FOR HONEYCOMB MATERIAL
PROBLEM TO BE SOLVED: To prepare a thermally shrinkable polyester-based film which is used for honeycomb materials, has good heat resistance and excellent shape stability, especially little causes shrinkage unevenness, gives an excellent shrinkage result in one direction shrinkage, can be processed...
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| creator | TAKEGAWA YOSHIAKI ITO KATSUYA |
| description | PROBLEM TO BE SOLVED: To prepare a thermally shrinkable polyester-based film which is used for honeycomb materials, has good heat resistance and excellent shape stability, especially little causes shrinkage unevenness, gives an excellent shrinkage result in one direction shrinkage, can be processed with a solvent, and can hence produce precise honeycomb materials in high efficiency. SOLUTION: This thermally shrinkable polyester-based film for the honeycomb materials is characterized by containing neopentyl glycol and/or cyclohexane dimethanol as a glycol component constituting the polyester of raw material for the thermally shrinkable film, and having the maximum thermal shrinkage factor of ≥5%, preferably ≥30%. The thermally shrinkable polyester-based film for the honeycomb materials preferably has the minimum thermal shrinkage factors in the main shrinking direction and in the crossing direction in a temperature range of 55 to 105°C, has a cross point shrinkage factor of ≥2%, and can be adhered to the adjacent film. COPYRIGHT: (C)2005,JPO&NCIPI |
| format | Patent |
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SOLUTION: This thermally shrinkable polyester-based film for the honeycomb materials is characterized by containing neopentyl glycol and/or cyclohexane dimethanol as a glycol component constituting the polyester of raw material for the thermally shrinkable film, and having the maximum thermal shrinkage factor of ≥5%, preferably ≥30%. The thermally shrinkable polyester-based film for the honeycomb materials preferably has the minimum thermal shrinkage factors in the main shrinking direction and in the crossing direction in a temperature range of 55 to 105°C, has a cross point shrinkage factor of ≥2%, and can be adhered to the adjacent film. 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SOLUTION: This thermally shrinkable polyester-based film for the honeycomb materials is characterized by containing neopentyl glycol and/or cyclohexane dimethanol as a glycol component constituting the polyester of raw material for the thermally shrinkable film, and having the maximum thermal shrinkage factor of ≥5%, preferably ≥30%. The thermally shrinkable polyester-based film for the honeycomb materials preferably has the minimum thermal shrinkage factors in the main shrinking direction and in the crossing direction in a temperature range of 55 to 105°C, has a cross point shrinkage factor of ≥2%, and can be adhered to the adjacent film. 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SOLUTION: This thermally shrinkable polyester-based film for the honeycomb materials is characterized by containing neopentyl glycol and/or cyclohexane dimethanol as a glycol component constituting the polyester of raw material for the thermally shrinkable film, and having the maximum thermal shrinkage factor of ≥5%, preferably ≥30%. The thermally shrinkable polyester-based film for the honeycomb materials preferably has the minimum thermal shrinkage factors in the main shrinking direction and in the crossing direction in a temperature range of 55 to 105°C, has a cross point shrinkage factor of ≥2%, and can be adhered to the adjacent film. COPYRIGHT: (C)2005,JPO&NCIPI</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON 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 WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP |
| title | THERMALLY SHRINKABLE POLYESTER-BASED FILM FOR HONEYCOMB MATERIAL |
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