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US 2021/0355315 A1Published application
Formaldehyde free safe to use binder formulation for woven, nonwoven and granular materials
AssigneeTrinseo Europe GmbH
InventorFrancis Marcel Joseph Dobler
Life of this patent
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Abstract
Binder compositions that are formaldehyde free and include a latex emulsion, an epoxysilane, an epoxy dispersion, a polyol or a latex emulsion, a styrenic copolymer having carboxylic acid functionality, an epoxysilane or an epoxy dispersion or a mixture of both, a polyol and, optionally, an additive, wherein the composition does not comprise formaldehyde are described.
Claims21
1-38. (canceled)
A formaldehyde free composition comprising:
- a latex emulsion;
- an epoxysilane;
- an epoxy dispersion;
- a polyol;
- and, optionally,
- an additive, wherein the composition does not comprise formaldehyde.
3 more elements
A formaldehyde free composition comprising:
- a latex emulsion;
- an epoxysilane or an epoxy dispersion or a mixture of both;
- a water soluble polycarboxylic acid;
- a polyol;
- and, optionally,
- an additive, wherein the composition does not comprise formaldehyde.
3 more elements
A method for producing a formaldehyde free article comprising the steps:
- applying an aqueous binder formulation which is a formaldehyde free composition comprising:
- a latex emulsion;
- an epoxysilane;
- an epoxy dispersion;
- a polyol;
- and, optionally, an additive, wherein the composition does not comprise formaldehyde to a woven, a non-woven, a fibrous web or sheet, a glass, a glass fiber, mineral wool, a cellulosic fiber or any combination thereof, or blending the aqueous binder with a granular material to form an article;
- optionally shaping the article;
- and
- exposing the article to an elevated temperature of greater than or equal to 100° C. to cure the formulation in and to the article.
6 more elements
Dependencies are inferred from the claim text.