C09D127/06

A STABLE PVC COMPOSITION COMPRISING AN ENVIRONMENT-FRIENDLY PLASTICIZER

The present invention refers to a polyvinyl chloride composition with high stability, said composition comprising: a) 100 phr (parts per hundred resin) of a polyvinyl chloride resin, b) 10-150 phr of pentaerythritol tetravalerate as plasticizer, said pentaerythritol tetravalerate having an acid value of less than 0.05 mg KOH/g and being obtained through esterification of valeric acid and high purity pentaerythritol having a purity of at least 98%, an ash content of less than 200 ppm and a dipentaerythritol content of 0.1-2 wt%, c) 0.3-14 phr of at least one stabilizer, and optionally d) at least one additive, wherein and the amount of free acid in the polyvinyl chloride composition is less than 30 ppm, preferably less than 20 ppm. The invention further refers to a polyvinyl chloride article comprising said composition and having an amount of free acid less than 30 ppm, preferably less than 20 ppm. The present invention also refers to a method for analyzing the amount of free acid in a polyvinyl chloride sample.

A STABLE PVC COMPOSITION COMPRISING AN ENVIRONMENT-FRIENDLY PLASTICIZER

The present invention refers to a polyvinyl chloride composition with high stability, said composition comprising: a) 100 phr (parts per hundred resin) of a polyvinyl chloride resin, b) 10-150 phr of pentaerythritol tetravalerate as plasticizer, said pentaerythritol tetravalerate having an acid value of less than 0.05 mg KOH/g and being obtained through esterification of valeric acid and high purity pentaerythritol having a purity of at least 98%, an ash content of less than 200 ppm and a dipentaerythritol content of 0.1-2 wt%, c) 0.3-14 phr of at least one stabilizer, and optionally d) at least one additive, wherein and the amount of free acid in the polyvinyl chloride composition is less than 30 ppm, preferably less than 20 ppm. The invention further refers to a polyvinyl chloride article comprising said composition and having an amount of free acid less than 30 ppm, preferably less than 20 ppm. The present invention also refers to a method for analyzing the amount of free acid in a polyvinyl chloride sample.

SYMBOL BUTTON FOR VEHICLE AND MANUFACTURING METHOD THEREOF
20230001610 · 2023-01-05 ·

A manufacturing method of a symbol button for a vehicle includes: preparing a button body comprising a side portion, a top portion formed of a polymer material on which a metal is able to be plated; forming an electrically conductive layer on an outside of the button body using a conductive polymer material; forming a plating shielding layer in a form of a symbol using a material on which a metal is not able to be plated on the electrically conductive layer; and performing metal plating on the outside of the button body having the plating shielding layer.

SYMBOL BUTTON FOR VEHICLE AND MANUFACTURING METHOD THEREOF
20230001610 · 2023-01-05 ·

A manufacturing method of a symbol button for a vehicle includes: preparing a button body comprising a side portion, a top portion formed of a polymer material on which a metal is able to be plated; forming an electrically conductive layer on an outside of the button body using a conductive polymer material; forming a plating shielding layer in a form of a symbol using a material on which a metal is not able to be plated on the electrically conductive layer; and performing metal plating on the outside of the button body having the plating shielding layer.

NON-FOAMED COATED TEXTILE AND METHOD OF MAKING

A non-foamed aqueous composition can be applied to fabric substrates to provide non-foamed light-attenuating coatings in resulting coated fabric substrates that produce reduced glare from incident outside light. The non-foamed aqueous composition used to make these coated fabric substrates has a 5-50% solids and a zero shear viscosity of 100-1000 mPa-sec at 25° C. This composition has components i) through iv): i) porous particles at 0.1-20 weight %, and optionally an opacifying colorant; ii) a film-forming binder material comprising at least a chlorinated polymer at 4-20 weight %; iii) a white inorganic particulate filler material having a refraction index (RI) greater than 2 and a median particle size of less than 1 μm, at 5-16 weight %; and iv) a white low-density particulate hydrated alumina having a median particle size of less than or equal to 3 μm, at 2-16 weight %.

NON-FOAMED COATED TEXTILE AND METHOD OF MAKING

A non-foamed aqueous composition can be applied to fabric substrates to provide non-foamed light-attenuating coatings in resulting coated fabric substrates that produce reduced glare from incident outside light. The non-foamed aqueous composition used to make these coated fabric substrates has a 5-50% solids and a zero shear viscosity of 100-1000 mPa-sec at 25° C. This composition has components i) through iv): i) porous particles at 0.1-20 weight %, and optionally an opacifying colorant; ii) a film-forming binder material comprising at least a chlorinated polymer at 4-20 weight %; iii) a white inorganic particulate filler material having a refraction index (RI) greater than 2 and a median particle size of less than 1 μm, at 5-16 weight %; and iv) a white low-density particulate hydrated alumina having a median particle size of less than or equal to 3 μm, at 2-16 weight %.

NON-FOAMED COATED TEXTILE AND METHOD OF MAKING

A non-foamed aqueous composition can be applied to fabric substrates to provide non-foamed light-attenuating coatings in resulting coated fabric substrates that produce reduced glare from incident outside light. The non-foamed aqueous composition used to make these coated fabric substrates has a 5-50% solids and a zero shear viscosity of 100-1000 mPa-sec at 25° C. This composition has components i) through iv): i) porous particles at 0.1-20 weight %, and optionally an opacifying colorant; ii) a film-forming binder material comprising at least a chlorinated polymer at 4-20 weight %; iii) a white inorganic particulate filler material having a refraction index (RI) greater than 2 and a median particle size of less than 1 μm, at 5-16 weight %; and iv) a white low-density particulate hydrated alumina having a median particle size of less than or equal to 3 μm, at 2-16 weight %.

Solvent free vinyl plastisol composition

Disclosed is a heat curable solvent free plastisol composition that exhibits very low volatile organic compound amounts while maintaining high performance characteristics. The present plastisol compositions have solvent substitutes used at amounts up to 15% by weight based on the total composition weight. The solvent substitutes have very low vapor pressures, stable viscosity effects, and are fusible with the plastisol polymers. These solvent substitutes can be used to replace the typical solvents without requiring extensive re-formulation of the plastisol composition. The final plastisol compositions according to the present invention exhibit low VOC measures of less than 0.03 pounds per gallon when measured according to EPA Method 24.

Solvent free vinyl plastisol composition

Disclosed is a heat curable solvent free plastisol composition that exhibits very low volatile organic compound amounts while maintaining high performance characteristics. The present plastisol compositions have solvent substitutes used at amounts up to 15% by weight based on the total composition weight. The solvent substitutes have very low vapor pressures, stable viscosity effects, and are fusible with the plastisol polymers. These solvent substitutes can be used to replace the typical solvents without requiring extensive re-formulation of the plastisol composition. The final plastisol compositions according to the present invention exhibit low VOC measures of less than 0.03 pounds per gallon when measured according to EPA Method 24.

Solvent free vinyl plastisol composition

Disclosed is a heat curable solvent free plastisol composition that exhibits very low volatile organic compound amounts while maintaining high performance characteristics. The present plastisol compositions have solvent substitutes used at amounts up to 15% by weight based on the total composition weight. The solvent substitutes have very low vapor pressures, stable viscosity effects, and are fusible with the plastisol polymers. These solvent substitutes can be used to replace the typical solvents without requiring extensive re-formulation of the plastisol composition. The final plastisol compositions according to the present invention exhibit low VOC measures of less than 0.03 pounds per gallon when measured according to EPA Method 24.