Document Type and Number:
Japanese Patent JPWO2020196722
Kind Code:
A1
Abstract:
A molded hook surface fastener having a base plate and a large number of hook engaging elements projecting from a surface of the base plate, wherein both the base plate and the hook engaging elements is made of a resin mixture comprising polybutylene succinate (A) as a continuous phase and starch (B) as a dispersed phase, and satisfying the following requirements (1) to (3) simultaneously:(1) the dispersed phase comprises polyvinyl alcohol (C);(2) the starch (B) comprises a modified starch, and an amylose content of the starch (B) is 45% by weight or more; and(3) the hook engaging element tapers from a surface of the base plate toward a distal end portion and gradually bends from its middle such that the distal end portion faces a direction slightly approaching the surface of the base plate,is produced without breaking the hook engaging element during the pultrusion molding and is decomposed in the natural environment and does not bring about environmental destruction when discarded.
Application Number:
JP2021509575A
Publication Date:
October 01, 2020
Filing Date:
March 26, 2020
Export Citation:
