Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1989-01-10
1990-02-27
Schofer, Joseph L.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
522176, 526285, 528345, B29C 3342
Patent
active
049044389
ABSTRACT:
##STR1## (wherein R.sub.1 and R.sub.2 independently stand for at least one member selected from the class consisting of alkylene groups, substituted alkylene groups, cycloalkylene groups, substituted cycloakylene groups, arylene groups, and substituted arylene groups), is a novel diacetylene-nylon salt compound possessing two kinds of ability of solid-state polymerization, and two-dimensional macromolecular crystals are obtained by severally polymerizing the diacetylene moiety and the nylon salt moiety of the compound. A shaped article of hig rigidity is produced by filling a mold with the aforementioned salt and subjecting the salt in the mold to simultaneous application of heat and pressure.
REFERENCES:
patent: 4225550 (1980-09-01), Karim et al.
Kato Masao
Matsuda Hiro
Nakanishi Hachiro
Nakayama Kazuo
Tanaka Yoshio
Agency of Industrial Science & Technology
Ministry of International Trade & Industry
Schofer Joseph L.
Walker Alex H.
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