Abstract:
PURPOSE: A transparent paint is provided to improve productivity of a vehicle by preventing generation of microscratches. CONSTITUTION: A paint with excellent scratch resistance comprises 20-30 wt% of a polyester resin, 10-30 wt% of an acrylic resin, 5-20 wt% of a polyurethane resin, 0.1-1.5 wt% of a reaction catalyst, 0.1-1.0 wt% of a moisturizing additive, 1.0-1.5 wt% of a photostabilizer, and 10-40 wt% of a solvent. The weight average molecular weight(Mw) of the polyester resin is 2,000-7,000. The hydroxyl group content is 5-10%. The weight average molecular weight of the acryl resin is 6,000-15,000. The oxygen value is 3-10 mg/KOH. The content of the hydroxy group is 1-5 % and the glass transition temperature is 40-50 °C.
Abstract:
PURPOSE: A method for filling fillers for a vehicle is provided to reduce the cost of production by reducing the number of foaming agents. CONSTITUTION: A foaming agent mounting plate(11) has a section shape identical to the filling part of a vehicle body panel(20), and a containing unit for containing foaming agents(13). Fixing clips(12) firmly fix the foaming agent mounting plate to the vehicle body panel. The foaming agents are firmly attached to the containing unit. A space between the vehicle body panel and the foaming agent mounting plate is filled with foaming agents.
Abstract:
PURPOSE: A polylactic acid composition is provided to be used for an interior or exterior component by improving heat resistance, chemical resistance, and abrasion resistance. CONSTITUTION: A polylactic acid composition comprises 10-50 weight% of a polylactic acid, 30-80 parts by weight of a polyketone, and 10-40 weight% of a modified rubber. The polyketone is a polyketone homopolymer or the alloy of a polyketone and modified rubber. The modified rubber is modified by a maleic anhydride or glycidyl group. The vehicle component is a center fascia, console cover, door handle, or tailgate garnish. [Reference numerals] (AA) Modified rubber; (BB,CC) Polylactic acid; (DD) Rubber containing glycidyl groups
Abstract:
PURPOSE: A polyamid/polyolefin/nano-clay composite is provided to ensure excellent mechanical properties such as impact resistance, tensile strength, flexural strength, heat resistance, and moldability due to low processing temperature. CONSTITUTION: A polyamid/polyolefin/nano-clay composite for a fuel tube outer layer of automotive parts comprises 30~80 weight% of polyamide resin, 5~10 weight% of polyolefin resin, 5~30 weight% of an impact reinforcing agent including a maleic anhydride-grafted ethylene-α-olefin copolymer, 5~10 weight% of a reaction control agent including a maleic anhydride-grafted polystyrene resin, 0.1~10 weight% of nanoclay, and 5~30 weight% of softener.
Abstract:
PURPOSE: A conductive polyamide complex composition is provided to prevent static electricity by showing excellent electric conductivity, and to ensure excellent gasoline resistance, tensile strength, impact strength, and moldability. CONSTITUTION: A conductive polyamide complex composition includes, 100.0 parts by weight of a base resin, 0.1-20 parts by weight of an olefine-based copolymer, 1-15 parts by weight of carbon black, 0.01-5 parts by weight of carbon nanotube, 0.01-10 parts by weight of plasticizer and 0.01-2 parts by weight resin stabilizer. The base resin comprises 50-99 weight% of polyamide resin and 1-50 weight% of polyolefin resin.
Abstract:
PURPOSE: A polypropylene/clay nano composite for a paintless wrapping unit for a vehicle, a manufacturing method thereof and a paintless wrapping unit including thereof are provided to improve weathering resistance of the wrapping unit of a vehicle by an excellent mechanical property. CONSTITUTION: A polypropylene/clay nano composite contains: 100 parts by weight of master batch including 40~60wt% organoclay, 30~50wt% of polypropylene grafted with maleic anhydride, and 10~30 wt% of poly propylene resin with the melt index of 1~20 gram per 10 minutes; 200~900 parts by weight of poly propylene resin with the melt index of 15~35 gram per 10 minutes; 0.2~5 parts by weight of UV stabilizer; and 0.1~4 parts by weight of heat stabilizer.
Abstract:
PURPOSE: Provided is a foaming filler composition for filling inside of voids in cars, which inhibits noises and vibrational sounds from being transferred into cars through the voids, and has improved heat resistance and anti-aging property. CONSTITUTION: The foaming filler composition for filling inside of voids in cars comprises: 25-35 wt% of EPDM(ethylene propylene diene monomer) rubber, 1-10 wt% of a thermoplastic rubber, 1-5 wt% of zinc oxide(ZnO), 1-5 wt% of stearic acid, 1-4 wt% of carbon black, 20-40 wt% of calcium carbonate, 18-30 wt% of clay, 5-25 wt% of a processing oil, 2-6 wt% of sulfur, 1-10 wt% of 2-mercaptobenzothiazolate disulfide, 4-10 wt% of azodicarbonamide and 1-6 wt% of urea. The thermoplastic rubber may be selected from the group consisting of styrene-butadiene copolymer and styrene-isoprene copolymer.