76results about How to "Raw material safety and environmental protection" patented technology

The invention discloses a foaming agent for a tailing sintering perforated brick. The foaming agent comprises the following components in percentage by mass: 1-20 percent of edible powder, 1-20 percent of cane sugar, 0.1-10 percent of yeast and 50-97 percent of water. The foaming agent is applied to a tailing sintering perforated brick by the following steps of: adding a foaming agent of which the amount is 0.1-25 percent by mass of the total amount of slurry which contains 60-90 percent by weight of tailings into the slurry, and fermenting in a die to obtain a green brick; and drying and sintering the green brick to obtain the tailing sintering perforated brick. The foaming agent disclosed by the invention has the advantages of reasonable component mixture ratio, wide raw material source, low cost and capability of foaming at the normal temperature; and the foaming agent is applied to the tailing sintering perforated brick, is mainly made of tailings serving as raw materials, is used for preparing a tailing sintering perforated brick with adjustable porosity, low density, small heat conducting coefficient and high heat-preserving and heat-insulating properties by foaming at the normal temperature and sintering, is suitable to be applied to non-bearing low-density light wall body materials which mainly have framework structures for buildings, and can be widely applied in the field of building wall bodies, ornaments or roof or heat-insulating and heat-preserving materials and the like with framework structures.

The invention discloses an environmentally-friendly hot-melt pressure sensitive adhesive. The environmentally-friendly hot-melt pressure sensitive adhesive is prepared from, by weight, 25-35 parts ofa thermoplastic elastomer, 28-36 parts of modified petroleum resin, 6-10 parts of natural tackifying resin, 12-20 parts of a plasticizer, 2-3 parts of a modifying filler, 0.2-0.3 part of a coupling agent and 0.2-0.3 part of an antioxidant. The present invention also discloses preparation method of the hot-melt pressure sensitive adhesive. The thermoplastic elastomer is used as a matrix for the hot-melt pressure sensitive adhesive, the modified petroleum resin and the natural tackifying resin are used as tackifying resins, and no organic solvent is needed, so the raw materials are safe and environmentally friendly; the petroleum resin is modified, so the compatibility of the petroleum resin and the thermoplastic elastomer is improved, and the thermal stability of the hot-melt pressure sensitive adhesive is improved; and the reinforcing effect of the modifying filler improves the initial viscosity, the glass strength and the thermal stability of the hot-melt pressure sensitive adhesive are improved, so the environmentally-friendly hot-melt pressure sensitive adhesive with excellent performances is prepared.

The invention relates to the technical field of pet excrement treatment, particularly to an odor removing agent special for pet excrement treatment, a preparation method and application thereof, and aims to solve the problems that cat litter has poor deodorization effect during use and cannot effectively remove harmful microorganisms in excrement. According to the invention, a complex microbial inoculant, montmorillonite powder, activated carbon powder, citric acid, fermented lentinus edodes powder, bran powder and corn flour are reasonably collocated to prepare the odor removing agent, and the odor removing agent is added as an addition material of cat litter into cat litter for use. Deodorization performance tests find that the odor removing agent can greatly lower the concentration of ammonia gas, and the deodorization and odor removing effects are significant, and bacteriostatic and bactericidal tests find that the odor removing agent can effectively inhibit the growth and propagation of Escherichia coli, salmonella and other harmful microorganisms in pet excrement, and has good bacteriostatic and bactericidal effects, therefore the odor removing agent can effectively improve the use effect of cat litter, and has significant deodorizing, sterilizing and bacteriostatic effects.

The invention relates to the technical field of high polymer materials, and in particular relates to a hydrophilic polyurethane foamed plastic and a foaming technique. The hydrophilic polyurethane foamed plastic comprises components A and B according to the proportion of (1.5:1)-(3:1), the component A consists of ingredients in parts by weight: 1-5 parts of sodium carboxymethyl cellulose, 0.5-2 parts of surfactant and 90-95 parts of water, and the component B comprises the polyurethane prepolymer. The hydrophilic polyurethane foamed plastic is good in hydrophilicity, and obvious in water sucking and retaining effects, and has wide application prospects in the fields of medical, female sanitary towels, baby diapers and the like; and the foaming technique is conducted under atmospheric pressure, is low in equipment requirement, little in energy consumption, low in technique cost, less in pollution emission in a production process, and beneficial to environment friendliness.

The invention discloses a green and environmentally-friendly building material and a preparation method thereof. The building material is prepared from, by weight, 90-110 parts of foamable thermosetting phenolic resin, 100-120 parts of thermosetting linear urea-formaldehyde resin, 3-5 parts of titanium dioxide powder, 90-95 parts of Tween, 20-25 parts of a modified acrylic emulsion, a filler, a cross-linking agent, and 10-15 parts of a composite assistant. The foamable thermosetting phenolic resin, the thermosetting linear urea-formaldehyde resin and modified acrylate are compounded, so the product combines the advantages of above three components, and is a novel building material with the advantages of smooth surface, good flame retardation and heat insulation properties, good strength and high cost performance.

The invention discloses a preparation method for a stable higher fatty alcohol degassing agent. The preparation method comprises the following steps: 1, feeding higher fatty alcohol, fatty acid ester, wax, a hydrophilic surfactant and Guerbet alcohol into a reaction kettle according to the ratio, heating to 75-95 DEG C, keeping the temperature, and stirring for 2 hours under the speed of 500 r/min to ensure that the system is uniformly mixed;2, heating the hydrophilic surfactant (which accounts for 0.01-10 percent of the whole system), deionized water and an adhesion controller according to a calculating ratio together to 75-95 DEG C, and keeping the temperature for 2 hours for later use; 3, quickly pouring liquid in the step 2 into a mixture in the step 1, emulsifying by a homogenizing machine under the temperature of 75-100 DEG C for 20-30 minutes, and then quickly adding biological polysaccharide alcohol (which accounts for 0.1-5 percent of the whole system) according to the calculating ratio for stirring for 20-60 minutes; 4, quickly cooling the mixed in the step 3 to 20-45 DEG C to obtain the stable higher fatty alcohol degassing agent.

The invention discloses a method for preparing ramie artificial wig fiber. The method comprises the following steps: (1) acid solution treatment; (2) alkali lye treatment; (3) pulverization treatment;(4) immersion treatment; and (5) preparation of ramie fiber. The artificial wig fiber finally obtained by the invention has excellent toughness, and has the characteristics of antibacterial, anti-mite, heatproof, temperature-resistant and flame retardant performance, the raw materials are safe and environmentally friendly, and have a wide range of sources, which are beneficial to the human body,so that the artificial wig fiber has great market application value.

A preparation method of a paper handle agent comprises: (1) taking, by molar percentage, 70-80% of acrylamide, 20-30% of N-methylolacrylamide, 8-15% of glycidyl methacrylate, 0.01-5% of a crosslinking agent and 0.05-5% of a chain transfer agent, and adding them in water while stirring to obtain mixed aqueous solution; introducing nitrogen, adding an initiator and a catalyst, heating to 60-90 DEG C, and polymerizing for 30-90 min to obtain polyacrylamide copolymer; (2) adding suitable organic amine in the product of step (1), carrying out aminomethylation condensation at 60-90 DEG C; cooling the reaction product to 50 DEG C and below, and adding an acid to adjust pH of polymer solution to 6-9; the paper handle agent has the advantages that by adding the handle agent into pulp, finished paper is better in toughness and stiffness and has improved bulkiness and texture.

The invention discloses a gel cleaning agent used for kitchen. The gel cleaning agent comprises the following components: a surfactant, a chelating agent, an alcohol ether solvent, a rheological modifier, a pH conditioning agent, and water. The raw materials used by the cleaning agent has the advantages of safety and environmental protection, low stimulation on skin, no damage on surface of metallic glass, and good cleaning effect.

The invention discloses water-based propylene marker pen ink and a preparation method thereof. The water-based propylene marker pen ink comprises 10-20% of titanium dioxide, 0-4% of pigment, 5-8% of an interphase modifier, 40-50% of an acrylic resin emulsion film-forming agent and 25-40% of water, wherein the interphase regulator comprises an amphiphilic polymer and a polymer with a moisturizing effect. According to the ink, titanium dioxide and pigment are used, an environment-friendly non-toxic polymer is used as a functional interphase regulator, and a film-forming emulsion is matched, so that the ink which is stable in performance, smooth in water discharging, uniform in distribution and high in color fastness is obtained. The raw materials of the ink are cheap and easily available, the preparation process is simple and feasible, the process and the product are environment-friendly and non-toxic, and the ink does not contain any volatile organic small molecular substances.

The invention discloses a green and environment-friendly packaging material. The material comprises the following raw materials by weight: 40-50 parts of corn starch, 20-35 parts of persimmon peel powder, 6-10 parts of fulvic acid, 10-15 parts of pea protein, 10-20 parts of linear low density polyethylene, 5-8 parts of polylactic acid, 10-15 parts of crab shell powder, 4-8 parts of ginger powder,4-9 parts of nano titanium dioxide, 2-5 parts of sodium alginate, 0.1-3 parts of anthocyanin, 2-6 parts of sodium glutamate, 2-5 parts of beta-carotene, and 1-6 parts of beta-cyclodextrin. The packaging material provided by the invention has the advantages of safe and environment-friendly raw materials, degradability, good mechanical properties and good antibacterial properties, and is very suitable for food packaging.

The invention discloses a smoothing agent for fabrics and a preparation method thereof. The smoothing agent for fabrics is prepared from the following components in parts by weight: 45-60 parts of simethicone, 8-11 parts of bis-(phenyldimethylsilane)-methylsilanol, 5-8 parts of dimethylformamide, 3-7 parts of tri(trifluoropropyl) trimethylcyclotrisiloxane, 3-5 parts of silicon dioxide, 0.5-1.8 parts of triethylene tetramine and 0.02-0.8 part of diacid dihydrazide.

The invention discloses a flexible graphene electric heating net and a preparation method thereof. The flexible graphene electric heating net comprises a substrate layer, a graphene electric heating layer and a protective insulating layer which are stacked in sequence. The substrate layer is made of an anti-radiation mesh material. The graphene electric heating layer is prepared from the followingcomponents in parts by mass: 100 parts of a high polymer material, 1-3 parts of graphene, 0.1-1 part of a dispersing agent, 20-30 parts of de-ionized water and 1-2 parts of a curing agent. The protective insulating layer is composed of the following components in parts by mass: 100 parts of a high polymer material, 1-2 parts of a curing agent and 20-30 parts of de-ionized water. The flexible graphene electric heating net can be suitable for a heating environment with a complex surface, can also be suitable for a large-area heating environment, can weaken the magnetic field itself, and has less electromagnetic wave radiation.