公开(公告)号：US20210253478A1

公开(公告)日：2021-08-19

申请号：US17250189

申请日：2019-06-07

Applicant: NOURYON CHEMICALS INTERNATIONAL B.V.

Inventor： Johannes Martinus Gerardus Maria REIJNDERS ,  Raymond Albertus Johannes TEN BROEKE

IPC: C04B26/18 ,  C04B24/00 ,  C04B24/04 ,  C04B24/40 ,  C04B14/04 ,  C04B20/00 ,  C04B40/00

Abstract: Process for the production composite articles, comprising the steps of: a) providing a curable mixture comprising: 30-95 wt % of filler material, —5-70 wt % of resin, selected from unsaturated polyester resins, vinyl ester resins, (meth)acrylate resins, and combinations thereof, 0.5-10 phr of at least one peroxyester, 0.1-2.0 phr of at least one organic hydroperoxide, the weight ratio peroxyester/organic hydroperoxide being below 14.0, the curable mixture being essentially free of ketone peroxide, b) shaping the mixture, and c) heating the shaped mixture at a temperature in the range 60-100° C. to affect hardening of the resin and the formation of an article.

公开(公告)号：US20210017389A1

公开(公告)日：2021-01-21

申请号：US16980043

申请日：2019-03-08

Applicant: NOURYON CHEMICALS INTERNATIONAL B.V.

Inventor： Raymond Albertus Johannes TEN BROEKE ,  Maaike Anne Gertrud TER BRAKE ,  Koichi TATEISHI ,  Johannes Hermanus TER BEEK ,  Auke Gerardus TALMA ,  Maria STEENSMA ,  Geesje Klasina SPIJKERMAN

IPC: C09B67/44 ,  C09B29/033 ,  C09B29/08 ,  C08K5/47 ,  C08K5/23

Abstract: Solution comprising about 1 to about 25 wt % of a dye that loses its colour during radical cure and about 75 to about 99 wt % of a solvent mixture, said solvent mixture comprising cyclopentanone and dimethylsulphoxide in a weight ratio of about 60:40 to about 95:5.