Patent · US Active

Fluoropolymer composition

US9441087B2 · kind B2 · utility

3Cited by

2References

13Claims

0Family size

Assignee

SOLVAY SPECIALTY POLYMERS ITALY S.P.A. · IT

Inventors

Serena Carella · Parabiago, IT
Mattia Bassi · Milano, IT
Paolo Toniolo · Cesate, IT
Julio A. Abusleme · Saronno, IT
Stefano Mortara · Arconate, IT

Key dates

Filing date	Oct 13, 2011
Grant date	Sep 13, 2016
Priority date	—
Expiry date	Sep 7, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/25
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A thermoplastic fluoropolymer composition comprising at least one semi-crystalline polymer (A) comprising recurring units derived from ethylene and at least one of chlorotrifluoroethylene (CTFE) and tetrafluoroethylene (TFE), said polymer having a heat of fusion of at most 35 J/g and from 0.05 to 5% by weight, based on weight of said semi-crystalline polymer (A), of particles of at least one inorganic UV blocker compound, said particles having an average particle size of 1 to 150 nm, said composition being suitable for manufacturing UV-opaque films having outstanding transparency and haze properties.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.