32results about How to "Reduce floating fiber" patented technology

The invention relates to a high-strength, high-weather-resistance and good-appearance PA6 composition and a preparation method thereof. The high-strength, high-weather-resistance and good-appearance PA6 composition comprises the following components in parts by weight: 25-45 parts of PA6 resin; 5 -10 parts of amorphous nylon and 20 to 50 parts of glass fiber; 10-40 parts of mineral powder; 0.3-0.8part of carbon black; 0.3-0.8 part of a fluidity improver; 0.3-0.8 part of an antioxidant; 0.3-0.8 part of a lubricant; 0.5-1 part of weather-resistant agent. The PA6 composition disclosed by the invention has good comprehensive performance, and can be used for preparing a high-performance composite material to replace a traditional metal material to be used in automobile functional parts and structural parts.

The invention discloses a high-rigidity glass fiber reinforced polypropylene material and preparation equipment and a preparation method thereof. The high-rigidity glass fiber reinforced polypropylenematerial consists of the following raw materials: homo-polypropylene, a compatilizer, an antioxidant, a lubricating agent, a nucleating agent and glass fibers. Meanwhile, the invention discloses theequipment for preparing the polypropylene material and a method for preparing the high-rigidity glass fiber reinforced polypropylene material by using the equipment. In addition, the invention furtherdiscloses application of the high-rigidity glass fiber reinforced polypropylene material. The polypropylene material has high bending strength and modulus, is excellent in anti-impact property and good in thermal stability, resists hydrolysis, and can be widely applied to automotive panels, washing machine drums, handles of thermal jugs and the like.

The present invention discloses a flame-retardant glass fiber reinforced polyketone composite material capable of being used for a vehicle fuel oil system, wherein 100 parts by weight of polyketone is added with 60-150 parts by weight of glass fibers having a flat cross-section shape, 5-30 parts by weight of a phosphorus-based flame retardant agent, and 0-5 parts by weight of other auxiliary agents. According to the present invention, the polyketone composite material has advantages of high strength and high rigidity, and can be used in engine covers, fuel oil tanks, fuel oil pipes and other products having high requirements on chemical resistance, hydrolysis resistance, fuel oil resistance and rigidity, wherein the product is easy to mold through the fluidity of the composition, and the floating fiber can be reduced.

The invention discloses a high-toughness low-floating-fiber ABS resin composition. The ABS resin composition is characterized by comprising the following components: an acrylonitrile-butadiene-styrene copolymer, poly(butylene adipate-co-terephthalate), glass fibers, a compatilizer, a coupling agent, a lubricant and a processing aid, wherein the intrinsic viscosity of poly(butylene adipate-co-terephthalate) resin is 2.0 to 2.8 dl/g. According to the invention, a specific type of PBAT is added into an ABS resin matrix and cooperates with the compatilizer, the lubricant and the coupling agent, so the ABS resin composition with high toughness and low floating fiber content is obtained under the condition that the ABS resin composition contains the glass fibers. Under the condition that 30 wt% of the glass fibers is added, no obvious floating fiber exists on the surface of the ABS resin composition, and notch impact strength can reach 15KJ/m<2>.

The invention relates to a glass fiber reinforced polybutylene terephthalate composition with a low floating fiber effect. A PBT resin is used as a base material, PET resin is used as an auxiliary base material, flat glass fiber is used as a reinforcing unit and sodium lignite is used as a floating fiber improving synergist, the low-melting-point PBT resin, the flat glass fiber and the sodium lignite have an excellent low-floating-fiber synergistic effect, and a prepared product is high in strength, high in surface gloss, less in floating fiber and good in mechanical property. Therefore, the use requirements of most appearance workpieces can be met.

The invention discloses a glass fiber reinforced polypropylene composition and a preparation method thereof. The glass fiber reinforced polypropylene composition is prepared from the following components in parts by weight: 5-15 parts of high-melt-index polypropylene, 35-75 parts of low-melt-index polypropylene, 20-40 parts of glass fibers, 3-8 parts of a compatilizer, 0.5-1 part of silicone powder, 0.5-2 parts of zinc oxide and 0.4-0.8 parts of other assistants, wherein the melt index of the high-melt-index polypropylene under the conditions of the temperature of 230 DEG C and the load of 2.16 kg is 100-200 g/10 min, and the melt index of the low-melt-index polypropylene under the conditions of the temperature of 230 DEG C and the load of 2.16 kg is 1-10 g/10 min. The glass fiber reinforced polypropylene composition disclosed by the invention has excellent properties of high strength, high rigidity, dimensional stability and low floating fiber.

The invention discloses a high-rigidity metal-like nylon composite material and a preparation method thereof. Raw materials include, by weight, 100 parts of nylon-610, 30-70 parts of nylon-6, 1-5 parts of an antioxidant, 1-5 parts of a lubricant, 1-5 parts of coupling agents, 30-100 parts of long glass fiber, and 70-450 parts of short glass fiber. According to the material formula, in the ultra-high filled composite material, the lubricant comprises a dendritic type nylon lubricant which can greatly reduce material degradation caused by shear heat, the compound of the dendritic nylon lubricantand zinc stearate has a strong complementation effect, use of the coupling agents can reduce floating fiber, and thus, mechanical performance of the composite material can be improved greatly.

The invention discloses a two-material bonding apparatus, a two-material bonding method and a two-material bonding product. The two-material bonding apparatus comprises: an injection molding machine,wherein the injection molding machine has a main injection table and a sub injection table, and the main injection table and the sub injection table are used for respectively injecting a first material and a second material to mold the first component and the second component of a product; a mold having a main material inlet and a sub material inlet, wherein the first component and the second component are molded in the mold and are directly combined into the product; and a mold temperature variable controller, wherein the mold further has a timing controller. The two-material bonding method comprises that the main injection table of the injection molding machine injects the first material into the mold through the main material inlet of the mold to mold the first component; the injectiontiming is controlled by the timing controller of the mold, and the sub injection table of the injection molding machine injects the second material into the mold through the sub material inlet of themold to mold the second component; and the first component and the second component are directly combined to form the product. The product is molded through the method. With the method and the apparatus of the present invention, the cost and the working time are saved, the appearance of the product is good, and the yield of the mass production is improved.