KR890005161A - Mechanical Processable Materials and Processed Molded Products - Google Patents

Abstract

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Description

Mechanical Processable Materials and Processed Molded Products

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Claims (14)

A heat curable mechanically workable material having a ignition point of at least 120 ° C. and a glass transition temperature of at least 80 ° C., characterized by being obtained by ring-opening block polymerization of a norbornene monomer having a cyclic structure of tricyclic or more elements in the presence of an always-on agent. The thermosetting mechanical workable material according to claim 1, wherein the ignition loss is less than 5% as measured at a temperature increase rate of 20 DEG C per minute at 400 DEG C in a nitrogen atmosphere. The thermosetting mechanical workable material according to claim 1, wherein the diameter or thickness is 20 mm or more. 2. The thermosetting mechanical workable material according to claim 1, which is obtained from a mixture of norbornene monomers having a cyclic structure of tricyclic or more elements and a monomer mixture of 10% or more of crosslinking monomers with respect to the total amount of monomers. . The thermoset mechanically workable material according to claim 1, wherein the amount of antioxidant is at least 0.5% based on the resulting polymer. The thermosetting mechanical workable material according to claim 1, which contains 0.5-3% by weight of an elastomer based on the mechanical workable material. The thermosetting mechanical workable material according to Claim 1, wherein the ignition loss is less than 3% and the glass transition temperature is 100 ° C. or more, when the temperature increase rate per minute is set at 20 ° C. at 400 ° C. in a nitrogen atmosphere term. 8. The thermosetting mechanical workable material according to claim 7, wherein the diameter or thickness is 50 mm or more. A heat-curable mechanically workable material having a ignition point of 120 ° C. or higher and a glass transition temperature of 80 ° C. or higher, which is obtained by ring-opening block polymerization of a norbornene monomer having a cyclic structure of tricyclic or higher element in the presence of an antioxidant. Processed molded products obtained by running the machine. 10. The processed molded product according to claim 9, wherein the ignition loss of the thermosetting mechanically workable material is less than 5% as measured at a temperature increase rate of 20 minutes per minute at 400 占 폚 in a nitrogen atmosphere. A heat curable mechanically workable material is obtained from a monomer mixture comprising a norbornene monomer having a cyclic structure of tricyclic or more elements and a crosslinking monomer of at least 10% by weight relative to the total amount of the monomers. Processed molded products. 10. The processed molded article of claim 9, wherein the amount of antioxidant is at least 0.5% by weight based on the resulting polymer. 10. The processed molded product according to claim 9, wherein the processed product is characterized in that the elastomer is contained in the range of 0.5-2% by weight based on the molded product. 10. The processed molded product according to claim 9, wherein the glass transition temperature and the ignition loss are less than 3% by weight when measured at 400 ° C under a nitrogen atmosphere at a temperature increase rate of 20 ° C per minute. ※ Note: The disclosure is based on the initial application.