Patent ID: 11938686
Assignee: ARKEMA FRANCE
Field: Other special machines (Mechanical engineering)
Classification: CPC B  C  Y | IPC B  C

Claim 10:
11. A manufacturing process for a multilayer composition for mechanical or structured parts or articles according to claim 1 comprising one of the following sets of steps A or B:
A a) thermoforming the surface layer comprising the thermoplastic polymer A,
b) positioning a fibrous substrate on one side of the thermoformed surface layer,
c) impregnating the fibrous substrate with a liquid (meth)acrylic syrup, and
d) polymerising the liquid (meth)acrylic syrup impregnating said fibrous substrate,
B a) impregnating a fibrous substrate with a liquid (meth)acrylic syrup,
b) polymerising the liquid (meth)acrylic syrup impregnating said fibrous substrate, and
c) laminating the surface layer comprising a thermoplastic polymer A to at least one side of the layer obtained after the polymerization in step Bb).