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Digital color-design composite for use in laminated glass

A technology for laminating glass and composites, applied in glass/slag layered products, surface pretreatment bonding methods, layered products, etc., can solve problems such as poor adhesion and unacceptable interactions

Inactive Publication Date: 2005-09-07
SOLUTIA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These problems have been found to be due to poor adhesion between the plasticized PVB and the printed film components (both on the printed and unprinted surfaces) and unacceptable interaction between the PVB plasticizer and the printed side of the PET film. effect

Method used

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  • Digital color-design composite for use in laminated glass
  • Digital color-design composite for use in laminated glass
  • Digital color-design composite for use in laminated glass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0079] Adhesion on the uncoated side was promoted by plasma treatment on Dun-Kote® DP38-3 mil high clarity PET film (manufactured by Dunmore Corporation, Bristol, Pennsylvania) with a proprietary coating for improved thermal transfer printing performance sex. The process conditions employed during the plasma treatment were such that the resulting 90 degree peel adhesion after autoclave lamination of the treated surface with a Saflext plasticized PVB interlayer (RB41) available from Solutia Inc. was found to be 8N / cm.

Embodiment 2

[0081] A PET cover film consisting of a 1 mil layer of ethylene-vinyl acetate copolymer containing 28% vinyl acetate was coated onto 2.65 mil Hostaphan(R) 4707 PET film (available from Mitsubishi Films, Greer, SC). The surface of the PET cover film coated with ethylene-vinyl acetate copolymer was not tacky prior to use. The uncoated PET surface of the PET / EVA cover film was plasma treated prior to coating. The uncoated PET surface was tested for 90 degree peel adhesion after autoclave lamination with a standard Saflex(R) plasticized PVB (RB41) interlayer and the result was 12 N / cm.

Embodiment 3

[0083] A digital test image was printed onto the coated surface film of Example 1 using a Matan SPRINTER B printer and a Duracoat(R) DC300 series C-M-Y-K belt (supplied by T2 Solutions, Amherst, NY). The resulting test images exhibited excellent color and image detail.

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Abstract

This invention is directed to a plastic composite comprising color images printed onto a polyethylene terephthalate (PET) substrate using thermal transfer (TT) printing technology. The PET layer is then bonded to a second PET layer using a thermally activated adhesive, preferably ethylene vinyl acetate copolymer (EVA). The bonded PET layers are then disposed between two layers of plasticized PVB, forming the plastic composite. The plastic composite can then be placed between two sheets of glass forming the final laminated glass product.

Description

Background of the invention [0001] There is a clear commercial need to manufacture custom glass laminates encapsulating digitally printed images with vibrating colors for architectural and automotive applications. With current methods of producing limited quantities of glass laminates with custom graphics, there is a great need in the market for a method that can be turned around quickly at a reasonable cost because of the very long project delivery times and attendant high costs. [0002] Options for producing these laminates have thus far been largely limited to traditional screen printing methods involving the deposition of solvent-based pigmented inks on plastic substrates and the subsequent encapsulation of the printed film in glass using multiple layers of adhesive. This screen printing process is time consuming and expensive to prepare multiple screens - one for each color separation. The consequences of using solvents must be managed to prevent environmental problems....

Claims

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Application Information

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IPC IPC(8): C03C27/12B32B17/10B32B27/36C09J5/02C09J11/06C09J123/08C09J129/14C09J131/04C09J201/00
CPCB32B17/10018B32B17/10284B32B17/10B32B17/10577B32B17/10788B32B17/10761B32B27/36B32B17/10339B32B17/10275B32B17/10247B32B17/10036B32B17/10935B32B17/10981Y10T428/28Y10T428/2848Y10T428/2813Y10T428/264Y10T428/2495Y10T428/2874Y10T428/24802Y10T428/31616Y10T428/31786Y10T428/31645Y10T428/31627Y10T428/31725Y10T428/3163Y10T428/31623B32B17/10005B32B2367/00
Inventor W·P·贝尔J·R·莫兰V·J·亚科冯
Owner SOLUTIA INC
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