31results about How to "Keep the active ingredients intact" patented technology

The invention provides a heat insulation and preservation fiber, and a preparation method and application thereof. The technical route of the invention comprises the following steps: premixing a polymer monomer or prepolymer for making a textile fiber chip material with heat insulation light material powder which is ground to a size demand and contains micron/nano pores; polymerizing the above premix according to a conventional polymerization method and process for the material; granulating the obtained polymer, and chipping to obtain a chip for a textile fiber of the heat insulation light material containing micron/nano pores; and finally, spinning the chip to obtain the heat insulation and preservation fiber containing micron/nano pore material granules. According to the invention, the preparation method of the heat insulation and preservation material is simple and easy to operate and mild in operating conditions; a fiber-wrapped micron/nano pore material structure is adopted, thus having favorable heat insulation and preservation effect; the raw materials for the material are accessible and low in cost; and the material has favorable performance in every aspect, is long in service life and can achieve considerable economic benefits.

The invention provides a high-performance graphene composite para-aramid fiber, which is mainly prepared from a graphene substance and poly-p-phenylene terephthamide; in the graphene composite para-aramid fiber, the content of the graphene substance is 5 weight percent or lower. According to the graphene composite para-aramid fiber prepared by the invention, the graphene substance can maintain higher content, graphene particles are still uniformly dispersed and uniform in size, indexes such as the tensile strength of the fiber are qualitatively improved, and an excellent antimicrobial property is additionally endowed to a para-aramid fiber material.

The invention provides a PTC inorganic composite material, which is mainly prepared from the following raw materials (by weight): 75-95% of a nano-ceramic material, 1-20% of a graphite carbon material coating agent and 0.5-5% of a dispersant. A preparation method of the composite material comprises the following steps: mixing the nano-ceramic material and the graphite carbon material coating agent, adding the dispersant and a proper amount of ethanol and uniformly mixing to obtain a uniform solution, and carrying out heat treatment under the protection of inert gas at the temperature of no more than 200 DEG C. According to the PTC inorganic composite material of the embodiment, an inorganic material, namely the nano-ceramic material, is compounded with the graphite carbon material coating agent, and the carbon material is used for coating particles of the inorganic material so as to realize conductivity and internal insulation effects of the carbon material. The material can be applied to electrical heating materials, such as carbon crystal heating panels. Properties are more stable, and problems such as aging, bloating, etc. will be avoided. Properties of the carbon crystal panels are subversively enhanced, service life is greatly prolonged, and considerable economic benefit is also generated.

The invention provides a graphene-compounded PVA (polyvinyl alcohol) master batch with high performance. The graphene-compounded PVA master batch mainly consists of a graphene matter and PVA, wherein the content of graphene matter is less than 6wt% in the graphene-compounded PVA master batch; the D90 index of the graphene matter is controlled to be less than 100mu m, the D10 index is controlled to be less than 20mu m, and the D90 index is controlled to be less than 20 times of D10 index. A preparation method of the graphene-compounded PVA master batch comprises the following steps of (A) pretreating a graphene matter water solution, so as to obtain a graphene matter particle size graded water solution; (B) mixing and stirring the PVA water solution and the graphene matter particle size graded water solution, so as to obtain a mixing solution; drying, so as to obtain the graphene-compounded PVA master batch. The graphene-compounded PVA master batch has the advantage that although the content is higher, the graphene particles are uniformly dispersed, the particle size is also uniform, and production of any agglomerated particle is avoided.

The invention relates to a composite material, a preparation method and application thereof, a thermal insulating wall connecting piece and a rod material. The composite material provided by the invention is prepared from a cured resin composition and a reinforced fiber material, wherein the resin composition is prepared from a thermosetting resin matrix, a releasing agent with a pH value of 6.0-7.0 and other optional accessory ingredients.

The invention provides a pure water gravure yellow printing ink for printing a PVC decorative film. The pure water gravure yellow printing ink is prepared from, by weight, 5-20 parts of yellow pigment, 50-70 parts of water-based PVC glue, 20-30 parts of waterborne polyurethane resin, 10-30 parts of waterborne epoxy resin, 15-35 parts of de-ionized water, 1-2 parts of antifoaming agent, 1-2 parts of dispersing agent, and 1-1.5 part of surface active agent. The preparation method includes steps of evenly mixing all raw materials; after grinding and dispersing, passing through quality inspection, filtering and packaging. The pure water gravure yellow printing ink of the embodiment applies the matching of the waterborne PVC glue, the waterborne polyurethane resin and the waterborne epoxy resin; the formula excludes any organic solvent; the pure water gravure white printing ink is safe and environment-friendly; besides, the wetting effect of the titanium dioxide is enhanced; meanwhile, the pure water gravure white printing ink has good wear resistance and film forming performance.

The invention relates to a feed additive capable of reducing disease incidence rate of livestock and poultry. The feed additive is mainly prepared from the following raw materials in parts by mass: 10-15 parts of radix isatidis, 15-20 parts of honeysuckle flowers, 20-25 parts of dandelions, 15-20 parts of rheum officinale, 20-25 parts of weeping forsythia capsule, 25-30 parts of astragalus membranaceus, 15-20 parts of purslane herbs, 25-30 parts of Chinese thorowax roots, 15-20 parts of garlic, 15-20 parts of cortex phellodendri and 15-20 parts of radix scutellariae. A preparation method of the feed additive comprises the following steps of mixing the raw materials, crushing the mixed materials to obtain powder of 100 meshes or above, decocting the powder for 2h or above, performing concentration, and performing drying so as to obtain the feed additive. The feed additive disclosed by the embodiment of the invention is simple in formula of raw materials and mild in medicine properties, the remarkable effects of mutually matched specific plant extracts in the aspects of restraining and eliminating medicine resistance of medicine-resistant bacteria are utilized, the mutually matched specific plant extracts are used as a feed additive to be added into feeds for compound use and particularly have the effect of restraining the medicine resistance of escherichia coli in animal bodies, and besides, the incidence rate of related diseases of the livestock and the poultry is reduced.

The invention provides a fenbendazole suspension. The suspension per 100ml mainly comprises 8-12g of fenbendazole, 10-25ml of glycerinum, 0.1-0.7g of methylcellulose, 0.1-1.5g of xanthan gum, 0-3g of dextran-40, 0.1-1.5g of tween-80, 0.6-1.5g of span-80, 0.1-0.3g of sodium benzoate, 1-3g of citric acid and the balance of water. A preparation method comprises the following steps: mixing and wetting fenbendazole with glycerinum, tween-80 and span-80 to form mixed liquid; and after partially dissolving sodium benzoate, citric acid and dextran-40 with part of water, adding methylcellulose and xanthan gum and uniformly mixing, mixing the mixture with the mixed liquid, and then adding residual water and uniformly mixing to obtain the suspension.

The invention relates to a release agent, a resin composition, a sectional material as well as a preparation method and application thereof. The release agent comprises the following ingredients: (a) long-chain fatty alcohol and/or long-chain fatty ether, (b) polyacrylate polymers and (c) optional acidifying long-chain fatty alcohol, wherein the pH value of the release agent is 6.0-7.0. The release agent system is capable of realizing the balance between the demolding manufacturability and mechanical property superiority of products.

The invention discloses an inorganic mixed material containing old-road granules and a preparation method of the inorganic mixed material. The inorganic mixed material comprises the following components in parts by weight: 80-120 parts of old-road granules and 3-10 parts of lime, wherein the particle size of the old-road granules is 26.5mm or below. According to the inorganic mixture prepared by the method provided by the invention, the old road granules are used as aggregates to replace the mountain macadam with high cost in the prior art, so that the waste old-road granules are changed intowealth while the production cost of the inorganic mixed material is reduced, and the environment is fully protected.

The invention provides a trivalent-chromium-rich yogurt which is mainly prepared from the following raw materials in parts by mass: 800-900 parts of milk, 40-90 parts of brown sugar, 0.2-0.5 part of organic calcium, 0.1-0.3 part of chromium-rich yeast and 0.1-0.4 part of stabilizer. A ferment is also used as the raw material, so that the lactobacillus content in the yogurt is greater than or equal to 1*10<10> cfu/g. The preparation method of the trivalent-chromium-rich yogurt comprises the following steps: after sterilizing the milk, adding the brown sugar, organic calcium, chromium-rich yeast and stabilizer, mixing and stirring uniformly, homogenizing, sterilizing, adding the ferment, fermenting, and cooling. The trivalent-chromium-rich yogurt can achieve the goal of supplementing the chromium element required by the human body, and the yogurt preparation method is acceptable by people; the trivalent-chromium-rich yogurt can maximally promote the chromium element absorption by the human body, thereby enhancing the added value of the yogurt product; and the trivalent-chromium-rich yogurt is suitable for different people, and especially can achieve the goal of preventing myopia.