Light stabilized polyolefin films, tapes and monofilaments

Patent metadata

Field	Value
Publication number	US-11021585-B2
Application number	US-202016830347-A
Country	US
Kind code	B2
Filing date	Mar 26, 2020
Priority date	Feb 20, 2015
Publication date	Jun 1, 2021
Grant date	Jun 1, 2021

Abstract

A process for reducing water carry-over of a light stabilized polyolefin film, tape or filament which contains component (A) as light stabilizer and which is passed through a water bath during production, characterized in that the polyolefin film, tape or monofilament additionally comprises component (B) as light stabilizer,
an example of component (A) is

wherein E 1 is

E 2 is

and a 3 is a number from 2 to 10, and

an example of component (B) is

First claim

The invention claimed is:

1. A mixture, comprising:
a compound of formula (A-I-1):

wherein a 1 is a number from 2 to 10,
a compound of formula (A-III-2):

wherein a 3 is a number from 2 to 10; and
a compound of formula (B-I-1) or a compound of formula (B-II-1):

wherein b 1 is a number from 1 to 10.

2. The mixture according to claim 1 , comprising the compound of formula (A-I-1), the compound of formula (A-III-2), and the compound of formula (B-I-1).

3. The mixture according to claim 1 , comprising the compound of formula (A-I-1), the compound of formula (A-III-2), and the compound of formula (B-II-1).

Assignees

• Basf Se

Inventors

• Mueller Daniel
• Weyland Tania

Classifications

• D01F1/10

  Other agents for modifying properties · CPC title

• C08K5/34 Primary

  Heterocyclic compounds having nitrogen in the ring · CPC title

• C08J5/18 Primary

  Manufacture of films or sheets · CPC title

• B29C48/919

  using a bath, e.g. extruding into an open bath to coagulate or cool the material · CPC title

• B29C48/08 Primary

  flexible, e.g. films · CPC title