The present invention provides agents having efficacy against viruses, allergens, bacteria and odorants, materials including such agents, and methods for producing the agents. An agent according to an embodiment of the present invention includes titanium dioxide particles having low photocatalytic activity, and metal ions of at least one metal selected from gold, silver, platinum and copper that are adsorbed to the surface of the titanium dioxide particles. The agent may further include hydroxyapatite particles, and the metal ions may be adsorbed also to the surface of the hydroxyapatite. The metal ions may be at least partially present in the form of at least one of an oxide of the metal, a hydroxide of the metal, and the elemental metal.

The present invention provides agents having efficacy against viruses, allergens, bacteria and odorants, materials including such agents, and methods for producing the agents. An agent according to an embodiment of the present invention includes titanium dioxide particles having low photocatalytic activity, and metal ions of at least one metal selected from gold, silver, platinum and copper that are adsorbed to the surface of the titanium dioxide particles. The agent may further include hydroxyapatite particles, and the metal ions may be adsorbed also to the surface of the hydroxyapatite. The metal ions may be at least partially present in the form of at least one of an oxide of the metal, a hydroxide of the metal, and the elemental metal.

The invention relates to antimicrobial and/or antiviral fabric compositions comprising ascorbic acid, citric acid, sodium hypophosphite, or a mixture thereof. The ascorbic acid may be covalently attached to at least one cellulosic portion of the fabric composition. The invention also relates to methods for preparing such fabric compositions.

The present disclosure relates to modified textile material, wherein the modification is carried out by treating textile material with Hydroxyapatite. Such modified textile materials show bacterio-repulsion by preventing bacteria from attaching to their surfaces, thereby preventing malodor formation. The present disclosure also relates to process for obtaining the modified textile material as well as use of Hydroxyapatite as a bacterial repellent agent for preparing odor free textile material.

The present disclosure relates to modified textile material, wherein the modification is carried out by treating textile material with Hydroxyapatite. Such modified textile materials show bacterio-repulsion by preventing bacteria from attaching to their surfaces, thereby preventing malodor formation. The present disclosure also relates to process for obtaining the modified textile material as well as use of Hydroxyapatite as a bacterial repellent agent for preparing odor free textile material.

A flame resistant fabric for the use in the construction of aviation airbags comprises a polyester fiber substrate which is treated with a first flame retardant. A polyurethane coating is applied to the polyester fiber substrate, which has been treated with the first flame retardant, to impart high pressure permeability resistance to the flame resistant fabric. The polyurethane coating comprises a second flame retardant to insure that the flame resistant fabric complies with Federal Aviation Requirement 25.853. The flame resistant fabric further comprises sufficient high pressure permeability resistance which is measured as a pressure of not less than about 198 kPa after five seconds from an initial inflation and pressurization to about 200 kPa, such as may be encountered in and during an inflation of aviation airbag assemblies.

A flame resistant fabric for the use in the construction of aviation airbags comprises a polyester fiber substrate which is treated with a first flame retardant. A polyurethane coating is applied to the polyester fiber substrate, which has been treated with the first flame retardant, to impart high pressure permeability resistance to the flame resistant fabric. The polyurethane coating comprises a second flame retardant to insure that the flame resistant fabric complies with Federal Aviation Requirement 25.853. The flame resistant fabric further comprises sufficient high pressure permeability resistance which is measured as a pressure of not less than about 198 kPa after five seconds from an initial inflation and pressurization to about 200 kPa, such as may be encountered in and during an inflation of aviation airbag assemblies.

An additive for incorporating ultraviolet radiation protection into a synthetic polymer with the additive and the synthetic polymer for forming a synthetic material is disclosed which has a quantity of zinc oxide particles modified with a layer of a reactive group that forms a bond with a synthetic polymer having C-H bonds.

The present invention discloses a crystalline aluminum phosphite, preparation and an application thereof. The compound has the following structural formula (I):

##STR00001##

where, x is an integer of 1-6; n, y and p are an integer of 1-4; M is Ca, Mg, Al, Zn, Fe, Sn or Ti. The preparation method includes: after dissolving phosphorous acid and hydrogen phosphite into water, adding concentrated phosphoric acid for reaction at 80-90° C., then performing drying at low temperature, dehydration reaction at high temperature, washing and drying. The compound has very high thermal decomposition temperature, high phosphorus content, and good flame retardant property, low water absorption and low acidity; moreover, the compound can serve as a halogen-free flame retardant component of high polymer materials.

The present invention discloses a crystalline aluminum phosphite, a preparation method thereof and an application thereof as or for the preparation of a flame retardant or a flame retardant synergist. The preparation method has the following processes: 1, reacting aluminum hydrogen phosphite with an aluminum-containing compound in water at 80-110° C. to obtain a precipitate in the presence of no strong acid or a small amount of strong acid; 2, washing and filtering the precipitate; 3, drying the precipitate at 100-130° C.; 4, continuously heating the dried solid step by step at a low speed, where the material temperature is increased to not exceeding 350° C. from room temperature at about 5-10 h, with a temperature rise rate not exceeding 5° C./min. Compared with amorphous aluminum hydrogen phosphite, the crystalline aluminum phosphite has a higher thermal decomposition temperature, lower water absorption and weaker acidity, and can be synergistic with diethyl aluminum hypophosphite to achieve better flame retardant property and thus, is used for a halogen-free flame retardant component of high polymer materials.