公开(公告)号：US11130874B2

公开(公告)日：2021-09-28

申请号：US16954632

申请日：2018-12-19

Applicant: PERSTORP AB

Inventor： David James ,  Vanessa Maurin ,  Pia Wennerberg

IPC: C08F2/46 ,  C08F2/50 ,  C08G61/04 ,  C09D11/101 ,  B33Y70/00 ,  C08F222/10 ,  C08G59/24 ,  C08G59/68 ,  C08G65/18 ,  C08L63/00 ,  C08L67/04 ,  C09D11/104

Abstract: The present invention refers to a hybrid photopolymer composition for additive manufacturing, —comprising 50-95% by weight of a free radically curable-component, farther comprising at least one (meth)acrylate monomer or oligomer, 5-49% by weight of a cationically curable component, further comprising a cycloaliphatic epoxide, an oxetane mixture, containing a monooxetane compound and a polyoxetane compound, and a thermoplastic polycaprolactone with a molecular weight of 20,000-100,000 g/mol, a free radical photoinitiator, a UV blocker, a cationic photoinitiator, optionally a cationic photosensitiser, and optionally a thermal initiator, wherein the percent by weight is based on the total weight of the photopolymer' composition. The invention also relates to the use of a photopolymer composition according to the present invention for producing a three-dimensional object through additive manufacturing and to a three-dimensional object obtained through additive manufacturing using the photopolymer composition—according the present invention.

公开(公告)号：US10167359B2

公开(公告)日：2019-01-01

申请号：US15532637

申请日：2015-11-26

Applicant: Perstorp AB

Inventor： Vanessa Maurin ,  Paul Kelly

IPC: C08F2/46 ,  C08F2/50 ,  C08G61/04 ,  C08G18/42 ,  C09D4/00 ,  C08G18/81 ,  C09D133/14 ,  C08F220/18 ,  C08G18/48 ,  C08G18/67 ,  C08G18/75 ,  C08G18/08 ,  C08G18/10 ,  C09D175/16

Abstract: Disclosed is a UV-curing coating composition comprising (a) 40-70% by weight of at least one urethane (meth)acrylate being a product of a reaction between at least one polycaprolactone polyol (a1) and at least one adduct (a2), said adduct (a2) being a product of a reaction between at least one polyisocyanate (a3) and at least one hydroxyalkyl (meth)acrylate (a4), said polycaprolactone polyol (a1) being a product of a reaction between at least one polyalkoxylated polyol (a5) and at least one caprolactone monomer (a6), (b) 20-50% by weight of at least one reactive diluent having at least one olefinic carbon-carbon double bond, and (c) 0.5-10% by weight of at least one photoinitiator, and optionally (d) 1-15% by weight of at least one matting agent.