US 12,241,304 B2
Spacer for insulated glazing
Bianca Bergs, Gangelt (DE); Christopher Marjan, Aachen (DE); Markus Stahl-Bidinger, Heinsberg (DE); and Egbert Schwerdt, Berg (CH)
Assigned to SAINT-GOBAIN GLASS FRANCE, Courbevoie (FR)
Appl. No. 17/923,467
Filed by SAINT-GOBAIN GLASS FRANCE, Courbevoie (FR)
PCT Filed Apr. 26, 2021, PCT No. PCT/EP2021/060792
§ 371(c)(1), (2) Date Nov. 4, 2022,
PCT Pub. No. WO2021/224042, PCT Pub. Date Nov. 11, 2021.
Claims priority of application No. 20173128 (EP), filed on May 6, 2020.
Prior Publication US 2023/0184029 A1, Jun. 15, 2023
Int. Cl. E06B 3/663 (2006.01); B29C 48/793 (2019.01); B29C 48/88 (2019.01); B29K 25/00 (2006.01); B29K 55/02 (2006.01); B29K 105/04 (2006.01); B29L 23/00 (2006.01)
CPC E06B 3/66319 (2013.01) [B29C 48/793 (2019.02); B29C 48/9115 (2019.02); B29K 2025/08 (2013.01); B29K 2055/02 (2013.01); B29K 2105/04 (2013.01); B29L 2023/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A spacer for insulated glazings comprising a polymeric main body comprising two pane contact surfaces, a glazing interior surface, an outer surface, and a cavity,
wherein
the polymeric main body contains a thermoplastic polymer as a base material at a proportion of 30.0 wt.-% to 70.0 wt.-%, as an elastomeric additive, a thermoplastic elastomer, and/or a thermoplastic terpolymer having an elastomeric component at a proportion of 0.5 wt.-% to 20.0 wt.-% in total, and a reinforcing agent at a proportion of 20.0 wt.-% to 45.0 wt.-%,
the thermoplastic polymer as a base material comprises a styrene-based polymer, and
the polymeric main body has a foamed pore structure.