US 11,053,361 B2
Colorant and additive concentrate carrier system with efficacy over a wide range of polymeric processing temperatures
Paul Legnetti, Lambertville, NJ (US); Eric D. Laird, Ewing, NJ (US); and Luis Pacheco, Lambertville, NJ (US)
Assigned to CHROMA COLOR CORPORATION, Lamberville, NJ (US)
Filed by CHROMA COLOR CORPORATION, Lambertville, NJ (US)
Filed on Mar. 15, 2019, as Appl. No. 16/354,986.
Prior Publication US 2020/0291193 A1, Sep. 17, 2020
Int. Cl. C08J 3/22 (2006.01); C08K 3/26 (2006.01); C08K 3/34 (2006.01); C08K 3/36 (2006.01); C08K 5/00 (2006.01); C08K 5/098 (2006.01); C08K 5/1515 (2006.01)
CPC C08J 3/226 (2013.01) [C08K 3/26 (2013.01); C08K 3/346 (2013.01); C08K 3/36 (2013.01); C08K 5/0016 (2013.01); C08K 5/098 (2013.01); C08K 5/1515 (2013.01); C08J 2300/22 (2013.01); C08J 2300/24 (2013.01); C08J 2423/08 (2013.01); C08J 2433/08 (2013.01); C08J 2433/10 (2013.01); C08J 2467/04 (2013.01); C08K 2003/265 (2013.01)] 21 Claims
 
1. A solid concentrate carrier system for use in thermoplastic or thermosetting resin formulations, the concentrate comprising:
an acrylate copolymer comprising at least 20 wt. % of the concentrate;
a polycaprolactone element comprising polycaprolactone, and optionally having one or more functional groups pendant thereto, said polycaprolactone element comprising less than 30 wt. % of the concentrate;
an additive package comprising a remainder of the concentrate, said additive package including at least one selected from: colorants, property enhancers, and non-property fillers; and
wherein the concentrate retains a solid form at ambient temperatures and the additive package remains viable in low melting resin systems and engineered resin systems at processing temperatures ranging from 90° C. or less up to at least 200° C.