A reinforcing sheet including one or more layers of a reinforcing material, and a thermosetting adhesive associated with the reinforcing material, wherein the thermosetting adhesive includes a curing agent, and an epoxy-modified dimerized fatty acid combined with an epoxy terminated polyurethane interpenetrating network.

A curable aqueous composition is disclosed comprising a carbohydrate, a crosslinking agent, and an amine base, wherein the curable aqueous composition has a pH adjusted by the amine base. Further disclosed is a method of forming a curable aqueous solution.

A coated nonwoven mat includes a nonwoven base layer formed from a plurality of fibers held together by a binder. The nonwoven base layer includes a first surface and a second surface. The coated nonwoven mat includes a coating layer adhered to the first surface. The coating layer includes a coating composition having less than 5% of organic material, based on the weight of the coating composition.

A coated nonwoven mat includes a nonwoven base layer formed from a plurality of fibers held together by a binder. The nonwoven base layer includes a first surface and a second surface. The coated nonwoven mat includes a coating layer adhered to the first surface. The coating layer includes a coating composition having less than 5% of organic material, based on the weight of the coating composition.

A glass composition for glass fiber includes 50.00 to 61.00% by mass of SiO.sub.2, 16.00 to 27.00% by mass of B.sub.2O.sub.3, 7.00 to 14.00% by mass of Al.sub.2O.sub.3, 0.20 to 4.00% by mass of P.sub.2O.sub.5, 0.50 to 5.00% by mass of TiO.sub.2, 0.10 to 5.00% by mass of CaO, 0 to 4.00% by mass of MgO, and 0 to 2.00% by mass of F.sub.2 and Cl.sub.2 in total, with respect to the total amount of the glass composition for glass fiber, and the content S of SiO.sub.2, the content A of Al.sub.2O.sub.3, the content P of P.sub.2O.sub.5, the content T of TiO.sub.2, the content C of CaO, and the content M of MgO satisfy the following formula (1):

3.65≤(S/A).sup.2×(P×T).sup.1/2/(C+M).sup.3≤8.25  (1).

A multilayer material for use as a thermal insulation barrier and/or flame barrier in a rechargeable electrical energy storage system is provided. The multilayer material comprises at least one inorganic fabric layer bonded to a nonwoven layer comprising inorganic particles and inorganic fibers by an inorganic adhesive, wherein the inorganic adhesive. The inorganic adhesive can be a modified inorganic adhesive comprising at least 99 wt. % inorganic constituents and an organic additive of at least 0.01 wt. % and less than 1 wt. % based on a total solids content of the inorganic adhesive.

A multilayer material for use as a thermal insulation barrier and/or flame barrier in a rechargeable electrical energy storage system is provided. The multilayer material comprises at least one inorganic fabric layer bonded to a nonwoven layer comprising inorganic particles and inorganic fibers by an inorganic adhesive, wherein the inorganic adhesive. The inorganic adhesive can be a modified inorganic adhesive comprising at least 99 wt. % inorganic constituents and an organic additive of at least 0.01 wt. % and less than 1 wt. % based on a total solids content of the inorganic adhesive.

The present invention provides a binder for inorganic fibers characterized by containing (A) 100 parts by mass of a polyvinyl alcohol-based resin having a degree of polymerization of 100-3500, (B) 1-50 parts by mass of a metal salt, and (C) 3 parts by mass of an ammonia denatured product of a copolymerization product containing maleic anhydride. By using the binder for inorganic fibers according to the present invention, it is possible to produce an inorganic fiber mat having a high recovery rate comparable to that of phenol resins. In addition, the amount of volatile organic compounds released from such an inorganic fiber mat is extremely low.

Disclosed are formaldehyde-free, thermally-curable, alkaline, aqueous binder compositions. Also disclosed are compositions comprising formaldehyde-free, thermally-curable binder compositions, as described herein, applied to non-woven fibers. Uses of the disclosed binder compositions as binders for non-woven fibers are also disclosed.

Disclosed are formaldehyde-free, thermally-curable, alkaline, aqueous binder compositions. Also disclosed are compositions comprising formaldehyde-free, thermally-curable binder compositions, as described herein, applied to non-woven fibers. Uses of the disclosed binder compositions as binders for non-woven fibers are also disclosed.