53results about How to "Lower odor level" patented technology

The invention provides a low emission polypropylene composite material with low odor. The composite material is prepared from following raw materials in parts by weight: 49.6 to 97.6 parts of polypropylene, 0 to 40 parts of talcum powder, 0.4 to 4 parts of antioxidant, 1 to 5 parts of first deodorant, and 1 to 5 parts of second deodorant. The first deodorant is an extraction type deodorant with aneffective component content of 40-85%. The second deodorant is an adsorption type deodorant with a loaded special substance. The invention also provides a preparation method of the polypropylene composite material. The preparation technology is simple, the cost is low, and moreover, the material has excellent mechanical properties, low odor, and low emission.

The invention discloses a low-emission low-odor glass-fiber-reinforced polypropylene material and a preparation method therefor. The material is prepared from the following raw materials in parts by weight: 35-80 parts of polypropylene, 15-60 parts of glass fibers, 1.0-5 parts of compatibilizer and 0.1-1.5 parts of antioxidant. According to the material and the preparation method therefor, hindered phenol and hindered amine polymers are adopted as the antioxidant, an obtained sample has the same excellent aging resistance as that of a control sample, and the sample prepared by the method has alower odor level and lower emission performance.

The invention provides a low-odor low-TVOC polypropylene composite material and a preparation method thereof. The low-odor low-TVOC polypropylene composite material is characterized by comprising thefollowing raw materials in parts by weight: 30-99% of polypropylene, 0-30% of an elastomer; 0-40% of mineral powder; 0.5%-10% of an odor adsorbent; 0.5 to 4% of other auxiliary agents; wherein the odor adsorbent is prepared from the following raw materials in parts by weight: 10 to 75% of ethylene-monoolefine copolymer; 10-40% of a microporous substance; 10-40% of a porous substance; 1-5% of a metal oxide; 1-4% of a metallic soap; 1-4% of a bicarbonate; 5-20% of a liquid filler; 0.2 to 1.0% of an antioxidant; and 0.2 to 1.0% of a lubricant. The low-odor low-TVOC polypropylene composite material disclosed by the invention has relatively low odor and TVOC value.

The invention provides a low-odor artificial board and a preparation method thereof, the low-odor artificial board comprises an odor adsorbent, the odor adsorbent comprises a layered material and an adsorption material, the layered material is preferably MXene, and the adsorption material is preferably cyclodextrin. According to the low-odor artificial board, the odor grade of the artificial board can be reduced, the mechanical property of the artificial board is not affected, and the manufacturing method is simple.

The invention belongs to the technical field of modified polymer materials, and discloses a low-odor PC / ABS alloy material and a preparation method thereof. The low-odor PC / ABS alloy material of the present invention comprises the following components in mass percentage: 62.7-81.4% of polycarbonate; 10-20% of polyacrylonitrile resin; 3-8% of styrene-butadiene rubber; 2-3% of toughening agent ; Zeolite 2-3%; Odor release agent 0.5-1%; Dispersant 1-2%; Processing aid 0.1-0.3%. The low-odor modified PC / ABS alloy material of the present invention has the characteristics of high modulus, high flow, high strength, high toughness, low odor, etc., and is especially suitable for manufacturing automotive interior parts, including eyeglass cases, decorative strips, central control Taiwan and so on. The present invention selects SAN and SBR blends as the rubber system, high molecular weight silicone compounds as the lubricant, and a compound system of zeolite and sodium oxalate to synergistically realize the low odor of the PC / ABS alloy material.

The invention belongs to the field of rubber tire manufacturing and relates to a rubber composition capable of effectively lowering tire smell grade. The rubber composition comprises, by weight, 90.0-100.0 parts of edible-grade butyl rubber, 30.0-80.0 parts of carbon black, 0-50.0 parts of softening oil, 0.5-4.0 parts of protective wax, 0.5-4.0 parts of antiager, 1.0-3.5 parts of sulfur and 0.3-2.5 parts of promoter. The rubber composition can effectively lower tire smell grade and is suitable for manufacturing low-smell tires, especially standby tires. Physical and mechanical performance of the rubber composition and high speed and durability of the tires can meet normal using requirements.

The present invention relates to a TPEE modified thermoplastic elastomer automobile sealing strip. The sealing strip is prepared from the combination of a binder and an addition agent, wherein the binder is composed of the combination of PP and two thermoplastic elastomers, the PP is a resin, and the two thermoplastic elastomers are a polyene elastomer TPE-A and a polyester elastomer TPE-B. The preparation method comprises the steps that 1) automatic compounding, plastication, oil charge and pre-dispersion are carried out; 2) twin-screw plastication, liquation, compounding, extrusion and granulation are carried out; 3) product inspection of a sealing strip material is carried out; 4) extrusion processing of the sealing strip is carried out, and the processes of feeding, compounding, and underwater traction and extrusion are completed on a sealing strip extrusion processing production line; 5) finished strip inspection of the sealing strip is carried out, inspections of structural, physical and chemical properties of the sealing strip are carried out; 6) cutting and jointing are conducted on the sealing strip, according to the specification requirement of the sealing strip, cuttingis carried out, and a jointing mold is used for jointing; 7) packing and storage are carried out, the finished product of the sealing strip is tested again, and the qualified product is put into a warehouse. The TPEE modified thermoplastic elastomer automobile sealing strip has the advantages that the performances are excellent, the softness and hardness of the product are adjusted by PP content,the application range is wide, and the free lifting of the automobile sealing strip at an ultra-low temperature can be met.

The invention discloses a chemical substance-resistant low odor polypropylene composite material. The polypropylene composite material comprises, by weight, 55-90 parts of polypropylene, 5-10 parts ofpolyethylene and 5-25 parts of a filler, and the filler comprises magnesium silicate. All components and contents thereof in the polypropylene composite material interact with each other, and the filler is selected reasonably, so the polypropylene composite material has good chemical substance resistance, low odor and other good comprehensive performances, keeps excellent mechanical performances,and is especially suitable for automotive interior parts. The invention also discloses a preparation method of the chemical substance-resistant low odor polypropylene composite material.

The invention relates to the technical field of chemical fiber processing, in particular to a preparation method of low-odor viscose fibers. The preparation method comprises the following steps of selecting dissolved wood pulp with high whiteness, high methylcellulose content and low pentosan content as a raw material, preparing a viscose spinning solution, uniformly mixing with a titanium dioxidedispersion solution, feeding into a spinning machine, and solidifying to regenerate nascent fibers; and enabling the nascent fibers to be drafted and oriented to form fibers with certain strength, the fibers entering a fluff tank and a refiner after being cut off, and preparing the low-odor viscose fibers by adopting post-treatment processes such as desulfurization, water washing, bleaching, oiling, drying and the like. The low-odor viscose fiber prepared by the invention is relatively high in whiteness, extremely low in defect content, extremely low in residual sulfur content and low in odor, and can be applied to the fields of non-woven fabrics and medical sanitary materials with strict odor requirements; and the problem of peculiar smell generated when the viscose fibers are applied tothe field of dry tissues is solved, so that the application field of the viscose fibers is widened.

The invention relates to a composite material for automotive interior skin and its preparation method and application, and mainly solves the problems of low composite fastness, large amount of flame compounding agent used and large odor of the composite material for automotive interior skin in the prior art during flame compounding question. The present invention adopts a composite material for automotive interior skin, which is composed of component I and component II, and the weight ratio of component I to component II is 100:20~60, wherein component I is expressed in parts by weight The count includes polyether polyol A: 30-60 parts, polyether polyol B: 30-60 parts, polymer polyol C: 10-40 parts, water: 1-5 parts, amine catalyst: 0.1-1 Parts, tin catalyst: 0.1 to 1 part, foam stabilizer: 0.5 to 2 parts, flame retardant: 2 to 12 parts, flame compounding agent: 0.5 to 5 parts; component II includes isocyanate 20 to 5 parts by weight 60 parts and the technical scheme of the preparation method thereof have achieved good technical effects and can be used in the industrial production of automotive interior skin composite materials.

The invention provides a low-odor automobile switch lubricating grease composition. The low-odor automobile switch lubricating grease composition comprises the following components in parts by weight:62-93 parts of base oil, 5-20 parts of a thickening agent and 2-18 parts of a solid lubricant. The invention also discloses a preparation method of the low-odor automobile switch lubricating grease composition. The low-odor automobile switch lubricating grease composition prepared by adopting fumed silica to thicken poly-alpha olefin base oil and adding the solid lubricant has an extremely low odor grade. Through the test of VS-01.00-L-06005-A1-2018 Test Specification for Odor of Nonmetallic Materials in Vehicles, the odor grade is 1.0-1.5 grade, which is reduced by one grade or more than onegrade compared with the odor of the lubricating grease in the prior art. The automobile switch lubricating grease composition disclosed by the invention also has good colloid stability, wear resistance, friction reduction, shearing resistance and excellent high and low temperature performance, is suitable for lubricating and protecting various switches, and is also suitable for lubricating various parts of an automobile cockpit.

The invention discloses a low-odor, low-VOC and scratch-resistant polypropylene interior material for vehicles and a preparation method of the polypropylene interior material. The low-odor low-VOC scratch-resistant polypropylene interior material for the vehicle comprises the following components: 63 to 66% of polypropylene, 18 to 22% of talcum powder, 8 to 12% of a flexibilizer, 0.3 to 0.5% of an antioxidant, 0.3 to 0.5% of a lubricant, 0.1 to 0.3% of a light stabilizer, 1 to 3% of a deodorant and 1 to 3% of a scratch-resistant agent. The pore diameter of the deodorant is 10 [mu] m and 50 [mu] m; and the scratch-resistant agent is formed by compounding silicone and erucyl amide according to a weight ratio of 1: 2-2: 1. By adopting the deodorant containing the microporous water-containing structure, the odor grade and VOC content of the material can be effectively reduced, so that the odor grade standard of automotive trim materials of various main engine plants is less than or equal to 3.0, and the VOC content standard is met.

The present invention provides a low-odor wood-based panel and a preparation method thereof, including an odor adsorbent, wherein the odor adsorbent includes a layered material and an adsorption material, the layered material is preferably MXene, and the adsorption material is preferably cyclodextrin. The low-odor wood-based panel provided by the invention can reduce the odor grade of the wood-based panel without affecting the mechanical properties of the wood-based panel, and the preparation method is simple.

The invention provides a modified ABS (Acrylonitrile butadiene styrene) special material and a preparation method thereof; the ABS special material comprises the following components: 70-95wt% of ABS, 1.5-8wt% of compatilizer, 1.5-8wt% of flexibilizer, 0.2-0.6wt% of antioxidant, 0.1-0.5wt% of lubricant, and 1.5-15wt% of ordered mesoporous material, wherein the ordered mesoporous material is MCM-41, MCM-48, SBA-15 or SBA-16; the preparation method comprises the following steps of: weighing ingredients with certain proportions, putting into a high speed mixer and mixing fully, and then extruding and granulating by a double-screw extruder. The modified ABS special material and the preparation method thereof provided by the invention effectively improve MI (Moment of Inertia) value of the ABS and processing fluidity of the ABS as well as mechanical intensity; in addition, the modified ABS special material has the characteristic of low odour, and also has excellent comprehensive performances such as light weight, sound absorption, etc.