To provide a transparent resin composition having excellent optical characteristics, particularly, excellent optical characteristics under high temperature and high humidity. There is provided a transparent resin composition, including: an aromatic polycarbonate resin; and a water-insoluble organic sulfonic acid and/or a metal salt thereof, in which a content of the water-insoluble organic sulfonic acid and/or the metal salt thereof is 0.01 to 3.0 pts.Math.mass to 100 pts.Math.mass of the aromatic polycarbonate resin, and a dissolved amount of the water-insoluble organic sulfonic acid and/or the metal salt thereof is not more than 0.5 g to 100 g of pure water.

To provide a transparent resin composition having excellent optical characteristics, particularly, excellent optical characteristics under high temperature and high humidity. There is provided a transparent resin composition, including: an aromatic polycarbonate resin; and a water-insoluble organic sulfonic acid and/or a metal salt thereof, in which a content of the water-insoluble organic sulfonic acid and/or the metal salt thereof is 0.01 to 3.0 pts.Math.mass to 100 pts.Math.mass of the aromatic polycarbonate resin, and a dissolved amount of the water-insoluble organic sulfonic acid and/or the metal salt thereof is not more than 0.5 g to 100 g of pure water.

Bioactive glass compositions, composites of the bioactive glass compositions with polymers, and 3D printable filaments made from the same, along with methods of making and using the same, are described. In some embodiments, the compositions, composites, and filaments have antibacterial activity.

Bioactive glass compositions, composites of the bioactive glass compositions with polymers, and 3D printable filaments made from the same, along with methods of making and using the same, are described. In some embodiments, the compositions, composites, and filaments have antibacterial activity.

Disclosed is a thermosetting composite resin composition including a thermosetting resin, particularly an unsaturated polyester resin, a low-profile additive and an inorganic filler, and to a method of manufacturing an automobile shell plate using the same. The thermosetting composite resin composition can be used to manufacture not only automobile shell plates having low specific gravity and superior surface smoothness and mechanical properties but also structural parts such as interior parts for airplanes or railways.

Disclosed is a thermosetting composite resin composition including a thermosetting resin, particularly an unsaturated polyester resin, a low-profile additive and an inorganic filler, and to a method of manufacturing an automobile shell plate using the same. The thermosetting composite resin composition can be used to manufacture not only automobile shell plates having low specific gravity and superior surface smoothness and mechanical properties but also structural parts such as interior parts for airplanes or railways.

The present disclosure relates to a curable precursor of a structural adhesive composition, comprising: a) a cationically self-polymerizable monomer; b) a polymerization initiator of the cationically self-polymerizable monomer which is initiated at a temperature T1; c) a curable monomer which is different from the cationically self-polymerizable monomer; and d) a curing initiator of the curable monomer which is initiated at a temperature T2 and which is different from the polymerization initiator of the cationically self-polymerizable monomer; and e) a thixotropic agent. According to another aspect, the present disclosure is directed to a partially cured precursor of a structural adhesive composition. According to still another aspect, the present disclosure relates to a method of bonding two parts. In yet another aspect, the disclosure relates to the use of a curable precursor or a partially cured precursor as described above, for industrial applications, in particular for body-in-white bonding applications for the automotive industry.

The present disclosure relates to a curable precursor of a structural adhesive composition, comprising: a) a cationically self-polymerizable monomer; b) a polymerization initiator of the cationically self-polymerizable monomer which is initiated at a temperature T1; c) a curable monomer which is different from the cationically self-polymerizable monomer; and d) a curing initiator of the curable monomer which is initiated at a temperature T2 and which is different from the polymerization initiator of the cationically self-polymerizable monomer; and e) a thixotropic agent. According to another aspect, the present disclosure is directed to a partially cured precursor of a structural adhesive composition. According to still another aspect, the present disclosure relates to a method of bonding two parts. In yet another aspect, the disclosure relates to the use of a curable precursor or a partially cured precursor as described above, for industrial applications, in particular for body-in-white bonding applications for the automotive industry.

The invention relates to a two-component composition comprising: a part A comprising a complex of organoborane with an amine; a part B comprising a polymer comprising at least one acrylic group and at least one isocyanate group;

the composition comprising at least one acrylic monomer or oligomer in part A and/or in part B of the composition.

The invention also relates to the use of said composition as an adhesive for binding two substrates together.

The invention relates to a two-component composition comprising: a part A comprising a complex of organoborane with an amine; a part B comprising a polymer comprising at least one acrylic group and at least one isocyanate group;

the composition comprising at least one acrylic monomer or oligomer in part A and/or in part B of the composition.

The invention also relates to the use of said composition as an adhesive for binding two substrates together.