New glass compositions and applications thereof are disclosed. Embodiments of the present invention relate to glass compositions, to fiber glass strands, to chopped fiber glass strands, to nonwoven mats of glass fibers, and to other products and methods. A fiber glass strand comprises a plurality of glass fibers comprising the glass composition of the present invention.

The present invention provides a transparent ABS resin composition which enables a production of a molded article retaining an excellent mechanical strength without decreasing the transparency and opacity, containing: based on a total mass of the transparent ABS resin composition, 70 to 98% by mass of a transparent ABS resin; and 2 to 30% by mass of a glass filler. The glass filler contains, based on a total mass of the glass filler, 55 to 60% by mass of silicon dioxide (SiO.sub.2), 10 to 15% by mass of aluminium oxide (Al.sub.2O.sub.3), 18 to 22% by mass of calcium oxide (CaO), 2 to 8% by mass of boron oxide (B.sub.2O.sub.3), 0.01 to 1% by mass of magnesium oxide (MgO), and 0.01 to 1% by mass of sodium oxide (Na.sub.2O) or potassium oxide (K.sub.2O). The mass ratio of calcium oxide to silicon dioxide (CaO/SiO.sub.2) in the glass filler is 0.36 to 0.40.

The present invention provides a transparent ABS resin composition which enables a production of a molded article retaining an excellent mechanical strength without decreasing the transparency and opacity, containing: based on a total mass of the transparent ABS resin composition, 70 to 98% by mass of a transparent ABS resin; and 2 to 30% by mass of a glass filler. The glass filler contains, based on a total mass of the glass filler, 55 to 60% by mass of silicon dioxide (SiO.sub.2), 10 to 15% by mass of aluminium oxide (Al.sub.2O.sub.3), 18 to 22% by mass of calcium oxide (CaO), 2 to 8% by mass of boron oxide (B.sub.2O.sub.3), 0.01 to 1% by mass of magnesium oxide (MgO), and 0.01 to 1% by mass of sodium oxide (Na.sub.2O) or potassium oxide (K.sub.2O). The mass ratio of calcium oxide to silicon dioxide (CaO/SiO.sub.2) in the glass filler is 0.36 to 0.40.

Provided are: a glass composition for wound care, which promotes a wound healing process by providing a moist environment and nutrients necessary for growth of epidermal cells, and which has bactericidal properties for preventing critical fixing of bacteria to a wound surface and infection with bacteria; and a wound covering material that uses the glass composition. The glass composition contains, by mass % in terms of oxides, 5 to 70% of SiO.sub.2, 0 to 10% of Al.sub.2O.sub.3, 5 to 40.0% of B.sub.2O.sub.3, and 1 to 50% of CaO.

Provided are: a glass composition for wound care, which promotes a wound healing process by providing a moist environment and nutrients necessary for growth of epidermal cells, and which has bactericidal properties for preventing critical fixing of bacteria to a wound surface and infection with bacteria; and a wound covering material that uses the glass composition. The glass composition contains, by mass % in terms of oxides, 5 to 70% of SiO.sub.2, 0 to 10% of Al.sub.2O.sub.3, 5 to 40.0% of B.sub.2O.sub.3, and 1 to 50% of CaO.

A glass filler of the present disclosure includes glass having a composition, the composition including iron oxide. For the content in mass % of the iron oxide in the composition, 0.005≤FeO≤0.30 and 0.01≤T-Fe.sub.2O.sub.3≤0.80 (T-Fe.sub.2O.sub.3 represents total iron oxide calculated as Fe.sub.2O.sub.3) are satisfied. For the iron oxide in the composition, Fe.sup.2+/(Fe.sup.2++Fe.sup.3+), which represents the proportion by mass of Fe.sup.2+ to total iron, is 0.15 or more and 1.00 or less. The glass filler of the present disclosure is a glass filler having a new composition including a coloring component, the glass filler having a high visible transmittance and a controlled color which can be, for example, within a range of colors different from those of conventional glass fillers that have a low visible transmittance.

A glass filler of the present disclosure includes glass having a composition, the composition including iron oxide. For the content in mass % of the iron oxide in the composition, 0.005≤FeO≤0.30 and 0.01≤T-Fe.sub.2O.sub.3≤0.80 (T-Fe.sub.2O.sub.3 represents total iron oxide calculated as Fe.sub.2O.sub.3) are satisfied. For the iron oxide in the composition, Fe.sup.2+/(Fe.sup.2++Fe.sup.3+), which represents the proportion by mass of Fe.sup.2+ to total iron, is 0.15 or more and 1.00 or less. The glass filler of the present disclosure is a glass filler having a new composition including a coloring component, the glass filler having a high visible transmittance and a controlled color which can be, for example, within a range of colors different from those of conventional glass fillers that have a low visible transmittance.

A glass fiber of the present invention includes as a glass composition, in terms of mass %, 45% to 70% of SiO.sub.2, 0% to 20% of Al.sub.2O.sub.3, 10% to 35% of B.sub.2O.sub.3, 88% to 98% of SiO.sub.2+Al.sub.2O.sub.3+B.sub.2O.sub.3, 0% to less than 0.7% of Li.sub.2O+Na.sub.2O+K.sub.2O, 0.1% to 12% of MgO+CaO, 0% to 3% of TiO.sub.2, and 0% to less than 0.8% of F.sub.2, and has a mass ratio CaO/MgO of 1.0 or less.

A glass fiber of the present invention includes as a glass composition, in terms of mass %, 45% to 70% of SiO.sub.2, 0% to 20% of Al.sub.2O.sub.3, 10% to 35% of B.sub.2O.sub.3, 88% to 98% of SiO.sub.2+Al.sub.2O.sub.3+B.sub.2O.sub.3, 0% to less than 0.7% of Li.sub.2O+Na.sub.2O+K.sub.2O, 0.1% to 12% of MgO+CaO, 0% to 3% of TiO.sub.2, and 0% to less than 0.8% of F.sub.2, and has a mass ratio CaO/MgO of 1.0 or less.

The invention relates to a fibrous mat facer for preparing a gypsum board, to a gypsum board comprising said mat facer and to a system comprising said gypsum board. The fibrous mat comprises at least one ply of a non-woven fabric, and a binder composition, wherein the binder composition represents from 10 to 40 wt % of the total weight of the mat. The binder composition comprises a copolymer comprising a co-monomer unit of a vinyl ester of an alpha branched aliphatic monocarboxylic acid, said copolymer being present in an amount from 25 to 100 wt % of the binder composition weight.