Method for the production of thermoplastic and thermoadhesive reinforcing materials used in the construction of footwear
First Claim
1. A method of producing reinforced thermoplastic and thermoadhesive polymers which can be used for footwear pieces comprising the steps of:
- forming a first mixture comprising(A) a reinforcing material and(B) (i) a lactone monomer,(ii) a mixture of a polyisocyanate and a polyol, or(iii) a mixture of a polyisocyanate and a polyolpolyester;
polymerizing the first mixture simultaneously with said forming step under polymerization conditions; and
shaping the polymerized mixture while being heated.
1 Assignment
0 Petitions
Accused Products
Abstract
Disclosed herein is a method for the production of reinforced thermoplastic and thermoadhesive polymers, used to make shaped reinforcing pieces for footwear in general, including sports shoes, these reinforced condensation polymers resulting from the polymerization of monomers such as lactones--specifically epsilon caprolactone, and condensable systems of two components, specifically polyisocyanates, polyols or polyolpolyesters--in the presence of reinforcing materials and, optionally, filling materials. The reinforced thermoplastic and thermoadhesive polymers are obtained in the form of sheets, from which the units or pieces are cut to a specified pattern, for example for the toecap, the heel piece or the inner sole.
-
Citations
15 Claims
-
1. A method of producing reinforced thermoplastic and thermoadhesive polymers which can be used for footwear pieces comprising the steps of:
-
forming a first mixture comprising (A) a reinforcing material and (B) (i) a lactone monomer, (ii) a mixture of a polyisocyanate and a polyol, or (iii) a mixture of a polyisocyanate and a polyolpolyester; polymerizing the first mixture simultaneously with said forming step under polymerization conditions; and shaping the polymerized mixture while being heated. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
-
Specification