Process for the preparation of a reinforced article
AssigneeSabic Global Technologies B.V.
InventorsGerard Jan Eduard Biemond, Carmela Tufano
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Abstract
The invention is directed to a process for the preparation of a reinforced article which comprises the step of molding a molding composition comprising pellets into the article at an elevated temperature, wherein each of the pellets has an axial length and comprises a core and a sheath around the core, wherein the core comprises an impregnating agent and a multifilament strand comprising glass fibers each having a length substantially equal to the axial length of the pellet and substantially oriented in the axial length of the pellet, wherein the sheath comprises a thermoplastic polymer; and wherein the molding composition further comprises a filler.
Claims15
A process for the preparation of a reinforced article, comprising:
- molding a molding composition comprising pellets into the article at an elevated temperature,
- wherein each of the pellets has an axial length and comprises a core extending along the axial length and a sheath around the core,
- wherein the core comprises an impregnating agent and a multifilament strand comprising glass fibers each having a length substantially equal to the axial length of the pellet and substantially oriented in the axial length of the pellet, wherein an amount of the glass fibers in the multifilament strand in the pellet is at least 20 wt %;
- wherein the sheath comprises a thermoplastic polymer, wherein the thermoplastic polymer is a propylene homopolymer or a propylene copolymer;
- and
- wherein the molding composition further comprises a filler and wherein the molded composition has an isotropic E-modulus of at least 5000 MPa as determined according to ISO527/1B at 23° C.
Dependencies are inferred from the claim text.