Method and composition to enhance polyolefin surfaces
US6815005B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 19, 1997 |
| Grant date | Nov 9, 2004 |
| Priority date | — |
| Expiry date | Aug 19, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2493/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
There is disclosed a method for permanently and decoratively enhancing a polyethylene surface of a preformed article. In this method, a decorative enhancement composition is created by blending particulate thermoplastic powder, a binder solid, and a colorant into a liquid carrier. The particulate thermoplastic powder bonds to the colorant, the binder solid promotes adhesion of the colored thermoplastic to the polyethylene surface until it can be bonded, and the liquid carrier facilitates the transfer of the colored thermoplastic to the polyethylene surface of the preformed article. The decorative enhancement composition is applied to the polyethylene surface. The deposited decorative enhancement composition and the interfacing polyethylene surface are heated sufficiently to incorporate the decorative enhancement composition into the polyethylene surface. The enhanced polyethylene surface is allowed to cure by removal of the application of heat. Upon curing, the decorative enhancement composition is permanently incorporated into the polyethylene surface enhancing the physical properties and the appearance of the preformed article.This invention also comprises a decorative enhancemen…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.