POLYACETAL BLOCK COPOLYMER

PROBLEM TO BE SOLVED: To provide an AB-type polyacetal block copolymer that can suppress a production amount of formaldehyde gas and is excellent in welding characteristics and sliding property.SOLUTION: The AB-type polyacetal block copolymer comprises a polyacetal segment (A) containing a specified...

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Hauptverfasser:	YOSHINAGA YUJI, OKA MIKIO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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