US 2019/0160794 A1 · VEHICLE COMPONENTS FORMED WITH EPOXIDIZED CHOPPED GLASS BONDED TO A THERMOSET MATRIX

Abstract

A process is provided for molding a resin matrix around a distribution of well distributed epoxy coated glass fibers to produce an article. The article is mass produced by the molding process based on a one or more layer structure, with an outer panel having a high degree of surface smoothness common to automotive body panels and a comparatively high tensile strength joinder thereto. The epoxy coated glass fibers are present in a single panel of an article or all such panels of a multiple layer article. The epoxy coated glass fibers can be present in an articles in a form of: chopped glass fibers that are intermixed and vary in orientation, a woven roving containing predominately epoxy glass fibers with carbon fibers dispersed there through, or non-woven fiber mats.

Claims23

Dependent claims

A dual layer cured composite article comprising:

an outer part having an outer part thickness composed of a first resin matrix having between 50 and 70 total weight percent of said outer part of an outer part mixed fiber filler, said mixed fiber filler having an outer part primary fiber:carbon fiber ratio of 0.05-20:1;
an inner part complementary to said outer part and having an inner part thickness composed of a second resin matrix having between 40 and 60 total weight percent of said inner part of an inner mixed fiber filler, said inner mixed fiber filler having an inner part primary fiber of an epoxy coated glass fibers:carbon fiber ratio of less than said outer part primary fiber:carbon fiber ratio;
and
a joinder between said outer part and said inner part.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

16/092,504Filed 11 Apr 2017

Priority

11 Apr 2016

Published

30 May 2019

Term ends

Not estimatedThe source records don’t support an estimate.

Classification55 codes

B32B 27/08
As the main or only constituent of a layer, which is next to another layer of the same or of a different material: of synthetic resin
B29C 70/12
Characterised by the structure of fibrous reinforcements , e.g. hollow fibres: using fibres of short length, e.g. in the form of a mat
B29C 70/78
By incorporating or moulding on preformed parts, e.g. inserts or layers , e.g. foam blocks: moulding material on one side only of the preformed part
B32B 3/04
Characterised by features of form at particular places, e.g. in edge regions: characterised by at least one layer folded at the edge, e.g. over…

Vehicle components formed with epoxidized chopped glass bonded to a thermoset matrix

Life of this patent

Vehicle components formed with epoxidized chopped glass bonded to a thermoset matrix

Life of this patent

Abstract

Claims23