MOLDING

PURPOSE: To obtain a molding which has biogradability, and excellent transparency, strength, toughness and gas barrier properties by forming one layer of lactic acid or lactide polycondensate and next one layer of polyvinyl alcohol having one or more repeating units. CONSTITUTION: Compound (A) appli...

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Hauptverfasser:	ONISHI KATSUMI, KANDA TAIJI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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creator	ONISHI KATSUMI KANDA TAIJI
description	PURPOSE: To obtain a molding which has biogradability, and excellent transparency, strength, toughness and gas barrier properties by forming one layer of lactic acid or lactide polycondensate and next one layer of polyvinyl alcohol having one or more repeating units. CONSTITUTION: Compound (A) applied to a molding is lactic acid or a lactide polycondensate. This is manufactured by a known means such as a method for dehydrating and polycondensing the acid or a method having the steps of dehydrating the acid, synthesizing lactide and then splitting and polymerizing the lactide. Similarly, compound (B) applied to the molding is polyvinyl alcohol, and obtained by saponifying polyvinyl acetate or acid by alkali. A laminate is obtained by a method having the steps of coextruding the compounds (A) and (B), inflation film molding it, coextrusion laminate molding it, further preparing a solution from the compound (B), and coating it.
format	Patent
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CONSTITUTION: Compound (A) applied to a molding is lactic acid or a lactide polycondensate. This is manufactured by a known means such as a method for dehydrating and polycondensing the acid or a method having the steps of dehydrating the acid, synthesizing lactide and then splitting and polymerizing the lactide. Similarly, compound (B) applied to the molding is polyvinyl alcohol, and obtained by saponifying polyvinyl acetate or acid by alkali. 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A laminate is obtained by a method having the steps of coextruding the compounds (A) and (B), inflation film molding it, coextrusion laminate molding it, further preparing a solution from the compound (B), and coating it.</description><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</subject><subject>LAYERED PRODUCTS</subject><subject>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</subject><subject>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>PERFORMING OPERATIONS</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1996</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZGD39fdx8fRz52FgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8V4BHgYWRiYmhpYGjsbEqAEADBgbMg</recordid><startdate>19960924</startdate><enddate>19960924</enddate><creator>ONISHI KATSUMI</creator><creator>KANDA TAIJI</creator><scope>EVB</scope></search><sort><creationdate>19960924</creationdate><title>MOLDING</title><author>ONISHI KATSUMI ; KANDA TAIJI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH08244190A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1996</creationdate><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</topic><topic>LAYERED PRODUCTS</topic><topic>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>PERFORMING OPERATIONS</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>ONISHI KATSUMI</creatorcontrib><creatorcontrib>KANDA TAIJI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ONISHI KATSUMI</au><au>KANDA TAIJI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MOLDING</title><date>1996-09-24</date><risdate>1996</risdate><abstract>PURPOSE: To obtain a molding which has biogradability, and excellent transparency, strength, toughness and gas barrier properties by forming one layer of lactic acid or lactide polycondensate and next one layer of polyvinyl alcohol having one or more repeating units. CONSTITUTION: Compound (A) applied to a molding is lactic acid or a lactide polycondensate. This is manufactured by a known means such as a method for dehydrating and polycondensing the acid or a method having the steps of dehydrating the acid, synthesizing lactide and then splitting and polymerizing the lactide. Similarly, compound (B) applied to the molding is polyvinyl alcohol, and obtained by saponifying polyvinyl acetate or acid by alkali. A laminate is obtained by a method having the steps of coextruding the compounds (A) and (B), inflation film molding it, coextrusion laminate molding it, further preparing a solution from the compound (B), and coating it.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record>
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subjects	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
title	MOLDING
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