Patent · US Active

Halogen-free flame retardant thermoplastic polyurethane elastomer composition and product and flame retardant package thereof

US11613627B2 · kind B2 · utility

0Cited by

3References

9Claims

0Family size

Assignee

WANHUA CHEMICAL GROUP CO., LTD.

Inventors

Xiaoliang Fu · Beijing, CN
Qishan Huang · Yantai, CN
Zhibin Zhai · Yantai, CN
Li-Ying Yang · Whippany, US

Key dates

Filing date	Sep 30, 2015
Grant date	Mar 28, 2023
Priority date	—
Expiry date	Oct 28, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K2003/328
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A halogen-free flame retardant thermoplastic polyurethane elastomer composition and product and flame retardant package thereof comprised thermoplastic polyurethane and halogen-free flame retardant package. The halogen-free flame retardant comprises inorganic phosphorus-based flame retardant and can further comprise expandable graphite, melamine or derivatives thereof and organic phosphorus-based flame retardant. The composition is environmentally friendly and safe, the comprehensive mechanical properties thereof are excellent, does not drip during the burning test, passed UL94 with rating of V0−1.5 mm, and the limiting oxygen index thereof can be up to 35%.

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