Patent application number | Description | Published |
20100040832 | FORMALDEHYDE FREE WOVEN AND NON-WOVEN FABRICS HAVING IMPROVED HOT WET TENSILE STRENGTH AND BINDER FORMULATIONS FOR SAME - Glass mats for use in building construction are provided. The mats include chopped glass fibers and a formaldehyde-free-curable binder disposed on the glass fibers. The binder includes a binder selected from polyorganic acid-polyol, starch grafted acrylic styrene and acrylic modified polyvinyl acetate, for example, containing a sufficient amount of a hydrophobic additive to improve the hot wet retention of the mat after five minutes of exposure to 80° C. water by at least about 5%. | 02-18-2010 |
20100151757 | POLYOLEFIN COATED FABRIC REINFORCEMENT AND CEMENTITIOUS BOARDS REINFORCED WITH SAME - The present invention provides glass fiber fabric reinforcements, cement boards, and glass fiber coatings for such reinforcements. The glass fiber fabric reinforcement includes a glass fabric containing multiple yarns containing glass filaments and a polymeric coating disposed onto the multiple yarns to form a coated glass fabric. The polymeric coating comprises a polyolefin based copolymer composition whereby the glass fabric has a Gurley Stiffness measurement of about 100-3000 mg and an ASTM D 638 (2% Secant) modulus of compression of about 1-100 MPa. The reinforcement is sufficiently drapable and lacking in shape memory so as to be curved around the edge of a cement board during the manufacture of same. | 06-17-2010 |
20100197185 | LOW AND ULTRA-LOW FORMALDEHYDE EMISSION BINDERS FOR NON-WOVEN GLASS MAT - Non-woven glass mats and methods of making and using the same are provided. The mats include chopped glass fibers and a curable binder disposed on the glass fibers. The binder contains a modified soy protein and exhibits low to ultra-low or negligible formaldehyde emissions. | 08-05-2010 |
20100304114 | FOLDABLE REINFORCING WEB - A reinforcing web has multiple fibers joined together with a binder. At least some of the fibers have foldable portions, wherein the foldable portions have substantially less binder thereon to increase flexure to fold the web. A method of making the reinforcing web includes, applying a binder on the web, and removing some or all of the binder from a foldable portion of the web prior to curing the binder that remains on the web. | 12-02-2010 |
20100319832 | Polyolefin Coated Fabric Reinforcement and Cementitious Boards Reinforced with Same - The present invention provides a method making glass fiber fabric reinforcements, cement boards, and glass fiber coatings for such reinforcements. The glass fiber fabric reinforcement includes a glass fabric containing multiple yarns containing glass filaments and a polymeric coating disposed onto the multiple yarns to form a coated glass fabric. The polymeric coating comprises a polyolefin based copolymer composition whereby the glass fabric has a Gurley Stiffness measurement of about 100-3000 mg and an ASTM D 638 (2% Secant) modulus of compression of about 1-100 MPa. The reinforcement is sufficiently drapable and lacking in shape memory so as to be curved around the edge of a cement board during the manufacture of same. | 12-23-2010 |
20120009850 | SMEAR-FREE NONWOVEN COMPOSITE ABRASIVES - A surface-treating article includes an organic matrix substantially engulfed by a binder that includes a reaction product of a blocked polyurethane prepolymer and a mixture of aromatic amines. The aromatic amines include polymethylene polyaniline having a functionality equal to or greater than 4. | 01-12-2012 |
20120167477 | ABRASIVE PARTICLE AND METHOD OF FORMING SAME - An abrasive article comprising an abrasive particle including a core comprising a compressible material, an intermediate layer comprising a binder material overlying an exterior surface of the core, and an outer layer comprising abrasive grains overlying the intermediate layer. | 07-05-2012 |
20120167478 | IMIDE CROSS-LINKED BINDERS FOR ABRASIVE ARTICLES - An abrasive article includes a fibrous substrate, a binder disposed on the fibrous substrate, and abrasive grains in contact with the binder. The binder includes an imide cross-linked urethane derived from a blocked isocyanate component and an anhydride component. | 07-05-2012 |
20120171459 | JOINT TAPE AND ABRASIVE ARTICLES PREPARED WITH SAME - A joint tape includes a film substrate, fibers disposed on a major surface of the film substrate, and a binder or adhesive disposed over the major surface of the film substrate. The binder or adhesive includes a latent cure urethane formulation including a surface deactivated isocyanate cross-linking agent and a polyol component. | 07-05-2012 |
20130014445 | COATED ABRASIVE AGGREGATES AND PRODUCTS CONTAING SAME - Abrasive aggregates and fixed abrasive articles comprising formaldehyde-free polymer binder and a plurality of abrasive grains are provided that are particularly suitable for machining operations, in which abrasion is carried out to remove material and improve surface quality. Certain embodiments combine an abrasive grain, which can be in the form of microparticles, and a formaldehyde-free polymer binder, which can be in the form of a polymer resin and cross-linking agent. Optionally, the abrasive aggregate can contain a secondary cross-linking agent, or a functional filler, such as a grinding aid. | 01-17-2013 |
20130189911 | ABRASIVE PRODUCTS AND METHODS FOR FINISHING COATED SURFACES - A coated abrasive product includes green, unfired abrasive aggregates having a generally spheroidal or toroidal shape, the aggregates formed from a composition comprising abrasive grit particles, a nanoparticle binder, a sulfosuccinate, and a crosslinking, wherein the abrasive aggregates are dispersed within a polymer resin coating comprising a mixture of copolyester resin. The coated abrasive product is capable of finishing coated surfaces and repairing defects in coated surfaces, including surfaces coated with automotive primers, paints, clear coats, and combinations thereof. | 07-25-2013 |
20130263520 | AQUEOUS RESIN COMPOSITION FOR ABRASIVE ARTICLES AND RESULTING ARTICLES - An aqueous polymer binder composition adapted for the manufacture of abrasive articles, such as coated abrasive articles, comprising at least one resin containing at least two azetidinium groups and at least one saccharide. The aqueous composition is formaldehyde-free and can further comprise proteins, starch grafted acrylic styrene, co-cross-linking agents, rheology modifiers, fillers, and hydrophobizing agents. | 10-10-2013 |
20130305614 | ABRASIVE PRODUCTS HAVING FIBRILLATED FIBERS - An engineered coated abrasive product having a backing, a frontfill coat, a make coat, and/or a size coat, wherein at least one of the coats includes fibrillated fibers. The coated abrasive product is capable of improved inter-layer adhesion, retention of abrasive grains, and/or maintenance of abrasive grains in a more desirable orientation for grinding. | 11-21-2013 |
20140194020 | GLASS MAT FOR ROOFING PRODUCTS - A glass mat includes an assembly of glass fibers, a binder composition and an asphaltic coating. The binder composition includes an organic resin and an adhesion promoter. The glass mat has an at least 2% increase in tear strength as measured using the methods specified in ASTM D3462, compared to an asphaltic coated glass mat having a binder composition without the adhesion promoter. Further provided is an asphalt roofing product including the glass mat and a method of increasing tear strength in an asphalt roofing product. | 07-10-2014 |