US 12,365,811 B2
Polymerizable composition
Andreas Utterodt, Neu-Anspach (DE); Christoph Meier, Bruchkoebel (DE); Nelli Schoenhof, Braunfels (DE); Jutta Schneider, Runkel (DE); Kurt Reischl, Merenberg (DE); Raif Kocoglu, Graevenwiesbach (DE); and Michael Eck, Schmitten (DE)
Assigned to KULZER GMBH, Hanau (DE)
Appl. No. 17/773,361
Filed by KULZER GMBH, Hanau (DE)
PCT Filed Oct. 29, 2020, PCT No. PCT/EP2020/080376
§ 371(c)(1), (2) Date Apr. 29, 2022,
PCT Pub. No. WO2021/083995, PCT Pub. Date May 6, 2021.
Claims priority of application No. 10 2019 129 551.3 (DE), filed on Oct. 31, 2019.
Prior Publication US 2024/0182744 A1, Jun. 6, 2024
Prior Publication US 2024/0352274 A2, Oct. 24, 2024
Int. Cl. C08F 2/46 (2006.01); B33Y 70/10 (2020.01); C08F 2/50 (2006.01); C08F 222/22 (2006.01); C08G 61/04 (2006.01); C08K 13/06 (2006.01); C09D 4/00 (2006.01); C09D 7/48 (2018.01); C09D 7/62 (2018.01); C09D 7/63 (2018.01); C09D 135/02 (2006.01); B29C 64/135 (2017.01); B29K 33/04 (2006.01); B29K 105/00 (2006.01); B29K 509/00 (2006.01); B33Y 10/00 (2015.01); C08K 3/16 (2006.01); C08K 3/22 (2006.01); C08K 3/36 (2006.01); C08K 3/40 (2006.01); C08K 5/132 (2006.01); C08K 9/04 (2006.01)
CPC C09D 135/02 (2013.01) [B33Y 70/10 (2020.01); C08F 222/22 (2013.01); C08K 13/06 (2013.01); C09D 4/00 (2013.01); C09D 7/48 (2018.01); C09D 7/62 (2018.01); C09D 7/63 (2018.01); B29C 64/135 (2017.08); B29K 2033/04 (2013.01); B29K 2105/0002 (2013.01); B29K 2509/00 (2013.01); B33Y 10/00 (2014.12); C08F 2800/20 (2013.01); C08K 3/16 (2013.01); C08K 2003/2241 (2013.01); C08K 3/36 (2013.01); C08K 3/40 (2013.01); C08K 5/132 (2013.01); C08K 9/04 (2013.01); C08K 2201/005 (2013.01); C08K 2201/011 (2013.01); C08K 2201/014 (2013.01)] 12 Claims
 
1. Polymerisable composition, comprising
(i) 70 to 85% by weight of at least one inorganic filler component, comprising at least one glass, silicate, quartz, feldspar, metal oxide, mixed oxide, silicon dioxide, zirconium dioxide and/or zinc oxide having an average particle size of 0.4 μm to 10 μm, and optionally at least one amorphous metal oxide having an average primary particle size of 10 nm to 115 nm,
(ii) 10 to 30% by weight comprising at least a mixture of at least three different urethane acrylates and/or urethane alkyl acrylates, the mixture comprising
at least one urethane acrylate having a bivalent alicyclic group of the formula I

OG Complex Work Unit Chemistry
 and/or mixtures of said urethanes of formula I, as well as optionally mixtures of the isomers of the afore-mentioned compounds with R1 and R2 each independently selected from H and alkyl having 1 to 8 C-atoms,
a di-functional urethane acrylate and/or urethane alkyl acrylate having a bivalent alkylene group, wherein the alkyl comprises 1 to 10 C-atoms, and
at least one at least tetra-functional dendritic urethane acrylate and/or corresponding urethane alkyl acrylate, wherein the alkyl comprises 1 to 10 C-atoms,
(iii) 0.01 to 5% by weight of at least one di-, tri-, tetra- or multi-functional monomer not being a urethane acrylate and/or not being a urethane alkyl acrylate,
(iv) 0.01 to 10% by weight of at least one initiator, of an initiator system, as well as optionally of at least one stabiliser, and optionally of at least one pigment, based on the total composition of the polymerisable composition amounting to 100% by weight.