Patent ID: 11884755
Assignee: AGC INC.
Field: Other special machines (Mechanical engineering)
Classification: CPC C  B | IPC B  C

Claim 0:
1. A modified polytetrafluoroethylene comprising a first polymer having first units based on tetrafluoroethylene, and a second polymer having second units based on a monomer represented by the formula (1-1), wherein
the content of the units based on a monomer represented by the formula (1-1) is from 10 to 500 mass ppm, to all units in the modified polytetrafluoroethylene, and
the standard specific gravity is from 2.155 to 2.175,

CH2═CR1—CO—O—R3,  Formula (1-1)

wherein R1 represents a hydrogen atom or an alkyl group, and R3 represents a C2-6 alkyl group,
wherein the content of the second units is from 90 mass % to 100 mass % to all units in the second polymer.