89results about How to "Low flexibility" patented technology

The invention provides a cationic color fixing agent and a preparation method and application thereof. The cationic color fixing agent is obtained by polymerization reaction of an oil-soluble monomer, a cationic monomer and a reactive monomer in a solvent under the action of a radical initiator, wherein the oil-soluble monomer is one or the combination of several of styrene, acrylonitrile and acrylate; the cationic monomer is one or the combination of acryloxyethyl alkyl quaternary ammonium salt and/or allyl alkyl quaternary ammonium salt; the reactive monomer is one or the combination of several of allyl glycidyl ether, hydroxyl-containing acrylics, vinyl trimethoxy silane, vinyl triethoxy silane, acrylamide, crylic acid and methacrylic acid. The cationic color fixing agent is insoluble in water and can be dissolved in a weak polar solvent and/or non-polar solvent; besides, after non-aqueous solvent dyeing of reactive dyes, the cationic color fixing agent can be directly used in the on-going fixing process without washing.

The invention discloses a graphene/aluminium oxide nano-composite tanning agent. The graphene/aluminium oxide nano-composite tanning agent is prepared from the following materials in parts by mass: 40-50 parts of a graphene oxide nano-slice dispersion liquid, 25-30 parts of aluminium chloride, 0.5-1 parts of p-toluenesulfonic acid, 20-25 parts of alkalizer solution and 0.5-1 parts of a dispersant. The invention further discloses a preparation method for the graphene/aluminium oxide nano-composite tanning agent, wherein when the solid dosage of the graphene/aluminium oxide nano-composite tanning agent is 5% of a tare, the shrinkage temperature of leather tanned by the graphene/aluminium oxide nano-composite tanning agent achieves 112 DEG C, the absorption rate of the tanning agent achieves 95%, the shrinkage temperature is hardly lowered when the tanned leather is washed for 10 times, and lowered by 5% when the tanned leather is washed for 20 times, and the softness, elasticity, fullness and the like of the tanned leather approximate to those of chrome-tanned leather.

The invention relates to a high-performance composite thermal interface material and a preparation method thereof. The high-performance composite thermal interface material is prepared from liquid metal and ceramic particles in a high-temperature fusion mode; the thermal interface material is sheet metal with the thickness being less than 0.1 mm, and the grain size of the ceramic particles is 600nm-20 [mu]m. The melting point of the thermal interface material is the same as the melting point of the liquid metal, the thermal conductivity is high, conductive thermal resistance is reduced, and ductility and softness are good; the high-performance composite thermal interface material can be applied to chip heat dissipation and large-power devices such as IGBT and replaces silicone grease withlow thermal conductivity, the temperature difference between a chip and a heat dissipater is reduced, and heat is quickly dissipated; and the high-performance composite thermal interface material isstable in performance, and can be manufactured into interface materials with various shapes and sizes.

The invention relates to the technical field of thermal transfer printing lettering film, and in particular, relates to a high-elasticity silicone rubber lettering film and a preparation method and anapplication method thereof. The high-elasticity silicone rubber lettering film comprises a load-bearing substrate, a release layer, a surface layer silicone rubber ink layer, an anti-photopermeable silicone rubber ink layer, an adhesive interfacial agent layer and a TPU hot melt adhesive film which are connected from bottom to top successively; the adhesive interfacial agent layer is prepared from an adhesive interfacial agent, and the adhesive interfacial agent is an adhesive interfacial agent containing dual-resin components. The silicone rubber lettering film has the advantages of both thesilicone rubber material and the TPU material, has good elasticity, tearing strength, weatherability, yellowing resistance, water washing resistance and other comprehensive properties, has layers noteasy to separate, is not easy to discolor or fade by sunlight exposure, and has the water-washing fading rate not less than 0.5%, is not easy to dye when being mixed and washed with materials with other colors, and is high in stability, easy to bond with a variety of materials, high in bonding strength, not easy to peel off, good in stability, delicate in hand feeling, good in aesthetic degree, and long in service life.

The invention discloses a filled type plant fiber. The filled plant fiber takes a hollow tubular plant fiber as a pipe and an alkali-resistant filler as a core material. A preparation method of the filled plant fiber comprises the following steps: soaking the plant fiber in an alkali-resistant filler dispersion, taking out the plant fiber, cooling, drying, and cutting to obtain the filled plant fiber. A high-strength plastic wave-absorbing concrete is prepared from, by weight, 20 to 50 parts of the filled plant fiber, 200 to 300 parts of cement, 100 to 150 parts of coal ash, 20 to 50 parts ofan expanding agent, 700 to 800 parts of sands, 950 to 1100 parts of gravel, 5.8 to 6.8 parts of a water reducing agent, 0.35 to 0.70 part of an air entraining agent and 120 to 180 parts of water. Thefilled plant fiber is good in alkali resistance, good in pressure resistance and high in breaking strength, the bonding force between the filled plant fiber and a cement-based cementing material can be improved, and then the compactness, stability and durability of the concrete are improved.

The invention relates to an anti-wrinkle skin makeup preparation combined by natural plant essence and active mineral substances. The anti-wrinkle skin makeup preparation comprises tourmaline and argenon which serve as the active mineral substances and ginseng, glossy ganoderma, white poria, prepared tuber of multiflower knotweed, pearl powder, baical skullcap root, lightyellow sophora root, root of red-rooted salvia and peach seed which serve as natural plants. A preparation method comprises the following steps of: washing the prepared tuber of multiflower knotweed, the baical skullcap root and the like, immersing, performing reflux extraction under reduced pressure, concentrating, performing alcohol precipitation, filtering, and extracting supernate; washing the ginseng, the glossy ganoderma and the white poria, performing reflux by ethanol, percolating, and extracting a concentrated solution; preparing a pearl powder hydrolytic solution by using the pearl powder; grinding the tourmaline and the argenon into mineral powder; and mixing the supernate, the concentrated solution and the hydrolytic solution uniformly, filtering, extracting supernate, adding the supernate into the mineral powder, stirring and immersing to obtain the anti-wrinkle skin makeup preparation. The anti-wrinkle skin makeup preparation exerts the effects of moistening, antiallergy, repair, balancing, radical resistance, wrinkle improvement, anti-aging, the promotion of cytothesis and collagen synthesis; and the anti-wrinkle skin makeup preparation has an obvious curative effect, and is safe and reliable, a formula is scientific, a preparation method is unique, a treatment course is short, and quick response is ensured.

This process includes applying a hard coat layer (51) to a thin optical film (such as a cellulose ester film (41)) which is formed by a solution casting method and has a thickness of 15 to 30 [mu]m and which contains not only 1 to 20wt% of a plasticizer having a property of being more densely distributed on a side that has acted as the support side in a casting process for film formation but also silica fine particles as a matting agent, wherein the hard coat layer (51) is applied onto a side such that the silica fine particle concentration on the side is higher than the overall average silica fine particle concentration of the thin optical film.

The invention relates to a dandruff removing and sterilizing component commonly used in the field of daily use chemicals and discloses a surface-modified pyridine thioketone salt and application thereof. The surface-modified pyridine thioketone salt is prepared by the following steps of: dispersing a monovalent or multivalent pyridine thioketone salt which is subjected to surface modification by a surfactant into a solvent; adding a surfactant at the surface modification temperature of 40-100 DEG C; stirring fully and uniformly; ageing for 1-3 hours; lowering the temperature to 40-60 DEG C; filtering; and drying filter residues. By adopting the surface-modified pyridine thioketone salt, the fungus killing time of pyridine thioketone salt particles on the surfaces of scalps and hairs can be prolonged effectively, dandruff removing and itching relieving effects are enhanced, the phenomena of hair dryness and withering after dandruff removing shampoo is used for washing can be effectively eliminated, the hair conditioning effect is enhanced, and damaged hairs can be repaired.

The invention provides an environment-friendly chromium-free leather retanning method. The dyeing uniformity and strength of the leather are further improved, and the durability of the leather is improved. The retanning fullness and the filling property of the leather are improved, so that the leather with obviously higher cutting yield is obtained; a traditional retanning agent is designed into astrip-shaped microcapsule form, good filling performance is realized, the flatness of the leather is improved; in addition, the grain defects of the leather are well repaired, and the retanning agentcan be released for a long time under stress or heating through the design of the microcapsules, so that the obtained leather product is more durable; through cooperation of carboxymethyl cellulose,non-chromium metal and acrylic polymers, dyeing is brighter and more uniform, the tinting strength of the surface of the leather is improved, the color fading phenomenon is basically avoided, and theleather can be endowed with better properties such as bacterium resistance and mildew resistance according to needs. The leather process disclosed by the invention is green and environment-friendly, not only does not discharge chromium, but also reduces the use of dyes, and the microcapsule-shaped retanning agent is beneficial to recycling and has good social and economic benefits and applicationvalues.

The invention provides an antifouling coating material and a preparation method and application thereof, the coating material comprises the following raw materials: PDMS-PUa, PTFE nanoparticles and anorganic solvent A, and the coating material is obtained by mixing and crosslinking PTFE dispersion liquid dispersed in the organic solvent A and PDMS-PUa. The antifouling coating material and an antifouling material prepared from the antifouling coating material disclosed by the invention have relatively good flexibility and fluidity, a glossy surface and a low elastic modulus, The antifouling property is achieved while good mechanical property is guaranteed, certain self-repairing property is achieved, service life of antifouling material can be prolonged, durable and efficient antifouling purpose is achieved, and a wide application prospect is achieved.

The invention discloses a manufacturing method for improving the softness of tissue paper. The method comprises the following steps of: sorting, pulping, filling, making paper, scraping the paper, squeezing and drying, and also comprises a step of selecting and adding a softener, wherein a fluffer and refiner series connection free pulping method is adopted and the range of a tackifying coefficient is strictly controlled in the pulping process, and an appropriate scraper angle is selected and the crepe ratio of the paper is adjusted in the paper scraping process. Compared with the prior art, the method has the advantages that: the softness and handfeel of a paper product are obviously improved while the paper product has high strength, the softness of paper towel raw paper is lower, the handfeel of the raw paper is better and the strength of the paper product is slightly influenced when processing conditions are met, and the satisfaction of a consumer with the product is obviously improved.

The invention relates to a biodegradable plastic product material being composed of, by weight, 30-60% of a biodegradable material and 50-70% of polypropylene plastic, wherein the biodegradable material includes soya bean protein and starch according to the ratio of 1:3. Compared with a conventional synthetic plastic product, the biodegradable synthetic material is better than the common synthetic plastic products in light transmittance, oxygen permeability, heat resistance, toughness, softness, elasticity, tensile strength and anti-aging property. In addition the biomass synthetic plastic is greatly reduced in production cost. The biodegradable plastic product material needs 5-8 months for being completely decomposed in soil into high-quality organic fertilizers.