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

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 provides composition with a healthcare function. The composition is mainly prepared from raw materials in parts by mass as follows: 20-90 parts of donkey-hide gelatin, 20-70 parts of radix paeoniae alba, 20-70 parts of rhizoma atractylodis macrocephalae, 10-50 parts of radix angelicae and 0.1-0.7 parts of a nutrition enhancer (in terms of iron elements). A preparation method comprises steps as follows: the donkey-hide gelatin and a sweetening agent ( if existing in raw materials) are crushed and sieved by a 50-80-mesh sieve for later use; the nutrition enhancer, donkey-hide gelatin powder and the sweetening agent powder are mixed, and mixed powder is obtained for later use; radix paeoniae alba, rhizoma atractylodis macrocephalae and radix angelicae are mixed with water with the mass being 7-20 times that of the mixture of radix paeoniae alba, rhizoma atractylodis macrocephalae and radix angelicae, decoction and extraction are performed for 1-3 h each time, extraction is performed 3 times, and decoctions are mixed and filtered for later use; a filtrate obtained in the steps is concentrated into a concentrate which mixed with the mixed powder, the mixture is granulatedand dried, and the composition is obtained. The composition is high in safety, and a product obtained from the composition is ensured to be safe through toxicity test evaluation, has a remarkable effect on relieving nutritional anemia and can relieve the nutritional anemia.

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 provides pure water type gravure cyan ink for printing PVC decorative films which is prepared from the following materials. The pure water type gravure cyan ink for printing PVC decorative films comprises, by mass parts, 5 to 20 parts of cyan pigment, 50 to 75 parts of aqueous PVC glue, 20 to 30 parts of aqueous polyurethane resin, 10 to 30 parts of aqueous epoxy resin, 15 to 35 parts of deionized water, 1 to 2 parts of antifoaming agents, 1 to 2 parts of dispersing agents and 1 to 1.5 parts of surface active agents. The preparation method includes that all the materials are blended and stirred equably. After being grinded and dispersed, if quality testing is eligible, the packaging is filtrated and the pure water type gravure cyan ink is finished. The pure water type gravure cyan ink of the implement example of the pure water type gravure cyan ink and preparation method of pure water type gravure cyan ink for printing PVC decorative films is of safety and environmental protection and the formula doesn't contain any organic resin and aqueous epoxy resin. Besides, the pure water type gravure cyan ink of the implement example of the pure water type gravure cyan ink and preparation method of pure water type gravure cyan for printing PVC decorative films strengthens wetting effect for cyan pigment and meanwhile is of good abrasive resistance and film-forming property.

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 provides pure water type gravure black ink for printing a PVC (polyvinyl chloride) decorative film. The pure water type gravure black ink is mainly prepared from the following raw materials in parts by mass: 5-20 parts of carbon black, 50-75 parts of aqueous PVC rubber, 20-30 parts of aqueous polyurethane resin, 10-30 parts of aqueous epoxy resin, 15-35 parts of deionized water, 1-2 parts of an antifoaming agent, 1-2 parts of a dispersing agent and 1-1.5 parts of a surface active agent. A preparation method comprises the following steps: mixing and agitating uniformly all the raw materials, grinding and dispersing an obtained mixture, inspecting the quality of the mixture to be qualified, filtering and packing the mixture, and obtaining the pure water type gravure black ink. The pure water type gravure black ink provided by an embodiment of the invention does not contain any organic solvent in a formula by the mutual cooperation among the aqueous PVC rubber, the aqueous polyurethane resin and the aqueous epoxy resin, is safe and environment-friendly, moreover, enhances a wetting effect on the carbon black, and meanwhile, has favorable wear resistance and film formation performance.

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 nanocellulose composite PVA (polyvinyl alcohol) material. The nanocellulose composite PVA material is mainly prepared from nanocellulose and PVA, wherein in the nanocellulose composite PVA material, the length and diameter ratio of the nanocellulose is controlled to be (2-300):1. A preparation method comprises the following steps of (A) dispersing a nanocellulose solution, so as to obtain a dispersing water solution; (B) mixing and stirring a PVA water solution, boric acid and the dispersing water solution, so as to obtain a mixed solution. The nanocellulose composite PVA material has the advantages that by reasonably mixing the nanocellulose and the PVA, and controlling the nanocellulose to be within the proper length and diameter ratio range, the uniformity of the nanocellulose in the PVA material is improved; when the nanocellulose composite PVA material is prepared into fiber and other products, the functionality of the PVA material is increased, the self strength, modulus, toughness and proper indexes of the PVA material are improved, and the mechanical property of the fiber self is further improved.