Arkema France

Trinseo Europe Gmbh

Paul D Fellenger

Nicholas Michael Martyak

Florence Mehlmann

Michael Timothy Burchill

Noah Eliot Macy

Robert A Wanat

Robert John Barsotti

Mark A Aubart

Jianfeng Lou

Thomas F Roland

Conor M Dowling

Daniel Alford

Noah E Macy

Gerald P Franco

The invention relates to the use of a melt-in-place acrylic binder that is applied to a substrate in the form of a powder, followed by a fusing together of the binder powder by heat or radiation. Particulate filler is present either on the substrate, mixed with the binder powder, or admixed into the binder powder prior to fusion. The fused binder helps adhere the particulate fillers to the substrate, and may or may not cover the particulate filler.

Melt in place binders for binding particulate fillers to substrates

The invention relates to impact-modified, thermoplastic compositions, where the measured refractive index difference between the impact modifier particles and the matrix composition is greater than 0.008 units, yet a blend of the impact modifier particles in the matrix produces a transparent composition. The impact modifier particles are preferably impact modifier composite particles, being intimately blended with one or more polymeric process aids or dispersing aids. The polymeric process aids are physically or chemically attached to the impact modifier particles, forming composite particles that allow for facile powder isolation. The impact modifier composite particles provide improved physical, chemical, and/or rheological properties to the thermoplastic composition. Preferably the impact modifier particles of the invention are core-shell impact modifiers.

Impact resistant transparent thermoplastic compositions

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Denver, PA, United States of America

Paul D Fellenger