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US 9,856,173 B2Granted
One component ready-to-use tile grout
AssigneeWacker Chemical Corporation
InventorsDaniel J. Mania, Uwe Scheim
Life of this patent
Estimating the term…
Abstract
Stable emulsions of silicone terminated polyethers and silicone resins are used to prepare one-component grout with very good mechanical properties gained within a short time after the grout cures by adding a proportion of aggregate to the emulsions.
Claims13
A storage stable one-component grout composition which is:
- an aqueous emulsion, comprising:
- (A) 1-30 wt. % of a silyl-terminated polymer of formula (I)
- Y—[(CR12)b—SiRa(OR2)3-a]x (I),
- wherein
- Y comprises a polyurethane or polyoxyalkylene polymer residue which is x-valent and bonded to (CR12) via nitrogen, oxygen, sulfur, or carbon, and when Y is a polyoxyalkylene polymer residue, Y is bonded to the silyl group —[(CR12)b—SiRa(OR2)3-a by an —O—C(═O)—NH— group
- R each independently is a monovalent, optionally substituted hydrocarbyl radical,
- R1 each independently is hydrogen or a monovalent, optionally substituted hydrocarbyl radical optionally bonded to carbon of the CR12 group via nitrogen, phosphorus, oxygen, sulfur, or a carbonyl group,
- R2 each individually is hydrogen or a monovalent, optionally substituted hydrocarbyl radical,
- x is an integer from 1 to 10,
- a each individually is 0, 1, or 2, and
- b each individually is an integer from 1 to 10;
- optionally (B), from 0-30 wt. % of a silicone resin containing units of the formula (II)
- R3aR4b(R5O)cSiO(4-a-b-c)/2 (II),
- wherein
- R3 each independently is alkyl, aryl, aminoalkyl, glycidoxy alkyl, mercapto alkyl,
- R4 each independently is alkyl, aryl,
- R5 each independently is alkyl or H,
- a is 0-3,
- b is 0-2,
- c is 0, 1, 2, or 3,
- with the proviso that a+b+c≦4;
- and
- (C) 0.1 to 5 wt. % of emulsifier(s);
- (D) 5-30 wt. % of water;
- (E) 50 to 90 wt. % of aggregate filler(s);
- and
- further optionally:
- (F) catalyst(s);
- and/or
- (G) additive(s),
- wherein the weight percents are based on the total weight of the one-component grout composition, and wherein the weight percentages total 100% based on ingredients A) through G).
28 more elements
Dependencies are inferred from the claim text.