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US 12,617,890 B2Granted
Polyurethane multi-part kit system
AssigneeLanxess Solutions Australia Pty. Ltd.
InventorsLoc Tran, Brett Budd
Life of this patent
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Abstract
A multi-part kit system may be used to repair damaged products used in industrial applications, comprising a part A which includes (A1) MDI prepolymer, (A2) fumed silica, and (A3) plasticizer; a part B which includes (B1) hydroquinone di-(2-hydroxyethyl)ether and (B2) plasticizer; and a part C which includes (C1) polyol, (C2) optionally, catalyst, and (C3) optionally, plasticizer.
Claims20
A multi-part kit system, comprising:
- a part A comprising
- (A1) MDI prepolymer,
- (A2) fumed silica, and
- (A3) a first plasticizer;
- and
- a part B comprising
- (B1) hydroquinone di-(2-hydroxyethyl) ether, and
- (B2) a second plasticizer;
- and
- a part C comprising
- (C1) polyol,
- (C2) a catalyst, and
- (C3) optionally, a third plasticizer,
- wherein the catalyst is a composition comprising a tin catalyst in a range of from 1 to 20 wt. % and plasticizer in a range of from 80 to 99 wt. %.
11 more elements
Dependencies are inferred from the claim text.