The Universal Selection Source: Adhesives Ingredients

Patent

Label for Wet Applications


Application Date:
Dec 19, 2013
USPTO Patent:
US 13996578
Abstract:

A method of introducing an additive, for example a dye, into a polymeric material comprises using a liquid formulation comprising the additive, a vehicle and an active compound added to increase the melt viscosity o...

Inventors:
John Goulbourn, Liverpool (GB)
Andrew Stuart Overend, Bolton (GB)
Christine Leeming, Cheshire (GB)
International Classification:
C08J 3/20 (20131219)
US Classification:
524/601; 264/211; 252/18228

Claims

What is claimed is:

1. A method of introducing an additive into a polymeric material comprising: selecting a liquid formulation comprising an additive, a vehicle and an active compound added to increase the melt viscosity of the polymeric material; andcontacting the liquid formulation with said polymeric material in a melt-processing apparatus.

Description

This invention relates to polymeric materials and particularly, although not exclusively, relates to incorporation of additives into polymeric materials, for example polyesters, such as in polyester fibre production.

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