Process of making acrylic-filled thermoformable acrylic sheet

Details Process of making acrylic-filled thermoformable acrylic sheet Process of making acrylic-filled thermoformable acrylic sheet

1995-01-17

1996-06-25

Nakarani, D. S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

428327, 428407, 428520, 524430, 524437, 524533, 525228, 525309, C08K 500, B32B 512

Patent

active

055300413

ABSTRACT:
A monomer-rich acrylic syrup is cast including about 10% to about 20% ground acrylic particles. During curing, the particles absorb over half their weight in monomer, and a cured sheet is formed in which the matrix monomer and uncrosslinked polymer form a phase which extends through the particles, while the particles appear to be fused together. Including a crosslinker in the syrup further insures the interpenetration of the matrix phase into the swollen particles. A textured surface is formed, which is useful as an anti-slip surface in bathtubs and shower stalls, after thermoforming.

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