272 results about "Natural gum" patented technology

The invention aims at providing a low-temperature resistant rubber which can be used for a long time in low temperature and has almost the same tensile strength and elongation at break and the same hardness at low temperature as at normal temperature. The low-temperature resistant rubber contains main body rubber, strengthening agent, plasticization softener and curing ingredient, and the weight ratio of main body rubber : strengthening agent : plastifying softener : curing ingredient is 100:10-350:5-75:0.5-3; the main body rubber is natural gum, styrene-butadiene-rubber, cis-butadiene rubber, butyl rubber, ethylene propylene diene rubber, butadiene nitrile rubber or the combination of natural gum and cis-butadiene rubber; the strengthening agent is black carbon or white carbon; the plastifying softener is machine oil, transformer oil, dibutyl sebacate, dibutyl phthalate or silicon oil; the curing ingredient is 2,5-dimethyl curing ingredient or sulphur.

The invention provides a crop straw medium density fiberboard by natural gum. Raw materials of the medium density fiberboard comprise crop straw fiber, a bonding agent, a waterproof and lubricating agent and a flame retardant, wherein the bonding agent is natural gum and comprises plant gum and animal gum; the waterproof and lubricating agent is natural wax, stearic acid or stearate; and the flame retardant is non-toxic and harmless flame retardant. The mixture ratio for all the raw materials by weight percent is: 75 to 93 percent of the crop straw fiber, 1 to 8 percent of the bonding agent (dried), 0.5 to 8 percent of the waterproof and lubricating agent, and 5.5 to 23.5 percent of the flame retardant. All the raw materials are produced into a finished product through mixing, sizing, spreading, prepressing, hot pressing and edge cutting; and microwave is used for auxiliary heating in the hot pressing phase. The crop straw medium density fiberboard by the natural gum can realize complete degradation under natural condition after the medium density fiberboard is abandoned or destroyed without any nonreversible destruction to the environment, so the production and application of the crop straw medium density fiberboard realize complete sustainability and recyclability, and have significant realistic and historic significance.

The invention discloses a coating slow-release disposable fertilizer which consists of a coating formed by basis fertilizers and masking liquid on the surface of the basis fertilizers, wherein, the composition of the masking liquid on the coating is expressed according to the ratio of quality portions: 0.5-10 portions of humate, 0.1-2.5 portions of natural gum, 0.1-2.5 portions of modified starch, 5-20 portions of carbamide, 0.5-4 portions of zinc sulfate, 0.5-3 portions of manganous sulfate, 0.5-20 portions of green copperas, 0.5-1 portion of boric acid, 0.1-1 portion of sodium molybdate, 2.5-3 portions of organic acid regulators, 2.5-3 portions of ammonium citrate and 87.2-30 portions of water. The masking liquid is evenly coated on the particle surface of the basis fertilizers in a coating machine. Referring to the proposal of soil measurement and fertilizer preparation, the invention can adjust prescription flexibly, organize production quantitively, keeps the fertilizer effect tobe stable in a long time, reduces the slow-release cost, realizes the modification of three main nutrients of nitrogen, phosphorus and potassium and has complete functions of slow-releasing and synergy; besides, the fertilizer improves the utilization of the fertilizer and is suitable for mechanized application and standard production.

The invention relates to a cable jacket rubber and a preparation method, wherein the cable jacket rubber has high elastic resilience, softness and abrasive resistance at a low temperature. The cable jacket rubber is characterized in that a base material of the rubber is formed by mixing 30 to 50 weight percent of natural gum and 50 to 70 weight percent of cis-butadiene rubber; a vulcanizing system in a rubber compounding agent is a low-sulfur high-accelerant vulcanizing system, the addition of sulfur is 0.3 to 0.6 weight percent of that of the base material of the rubbere, the addition of the accelerant tetramethylthiuram disulfide is between 1.0 and 1.3 weight percent, the addition of the accelerant N-cyclohexyl-2-benzothiazole sulfonamide is between 1.8 and 2.2 weight percent, and the addition of the accelerant diphenyl disulfide benzothiazole is between 0.6 and 0.9 weight percent. The cable jacket rubber has wide range of working temperature, and can be bent and distorted randomly without cracking at a long-term usage temperature of between 50 DEG C below zero and 70 DEG C, the impact elasticity is high and can reach 42 percent, the specific elongation is more than 350 percent, and the Akron abrasion loss is less than 2 percent, thus the cable jacket rubber is particularly suitable for wind-power generated electricity tower tube cables.

The invention discloses an electrophoresis-displaying microcapsule and its preparing method, which recondenses hydrolysate of styrene-maleic anhydride copolymer and glutin to prepare the microcapsule. By the proper technique, it firstly emulsifies the encapsulated matter in the styrene-maleic anhydride copolymer solution, adds in the gultin, and then recondenses them by adding acid and/or water. Its advantages: provision of synthetic high-molecular styrene-maleic anhydride copolymer overcomes the disadvantage that the natural gum Arabic high molecule is easy to degrade so as to affect performance of the microcapsule, and reduces the cost. And by proper technique, it can prepare circular microcapsules which are stable, sealed and have more uniform particle size distribution.

Styrene butadiene rubber (SBR) is widely used as a chewing gum base in lieu of natural gums. It is necessary to protect chewing gum SBR with a food grade antioxidant stabilizer system. This invention discloses a chewing gum rubber composition (gum base) that utilizes carnosic acid from a Libiatae plant, such as rosemary or sage, as an antioxidant stabilizer. In the practice of this invention the chewing gum base also containg lecithin that can be used as an emulsifier for the carnosic acid. This invention more specifically discloses a chewing gum base comprising: (1) about 5 weight percent to about 95 weight percent of a rubbery elastomer; (2) about 0 weight percent to about 75 weight percent of an elastomer plasticizer selected from the group consisting of natural rosin esters and synthetic terpene resins; (3) about 1 weight percent to about 65 weight percent of a filler material; (4) carnosic acid, and (5) lecithin, wherein said chewing gum base is void of sweeteners. The subject invention also reveals a chewing gum base comprising: (1) about 5 weight percent to about 95 weight percent of a rubbery elastomer; (2) about 0 weight percent to about 75 weight percent of an elastomer plasticizer selected from the group consisting of natural rosin esters and synthetic terpene resins; (3) about 1 weight percent to about 65 weight percent of a filler material; (4) carnosic acid, and (5) lecithin, wherein said chewing gum base is void of flavoring agents. The present invention further discloses a chewing gum base comprising: (1) about 5 weight percent to about 95 weight percent of a rubbery elastomer; (2) about 0 weight percent to about 75 weight percent of an elastomer plasticizer selected from the group consisting of natural rosin esters and synthetic terpene resins; (3) about 1 weight percent to about 65 weight percent of a filler material; (4) carnosic acid, and lecithin, wherein said chewing gum base is void of colorants.

The invention relates to an all-steel tire tread synthetic adhesive with high abrasion in the field of rubber for tires. The synthetic adhesive comprises the following raw materials according to parts by weight: 70 of natural gum, 25 to 35 of 3-polybutadiene rubber, 3 to 5 of zinc oxide, 1.5 to 2.5 of stearinic acid, 2 to 5 of age inhibitor, 1 to 2 of protection wax, 1.5 to 3 of homogenizing agent, 1 to 2 of silane coupling agent, 50 to 60 of high-abrasion furnace black, 4 to 6 of white carbon black, 1 to 2 of sulfur, 1 to 2 of curing catalyst, 0.5 to 1.5 of vulcanization resisting reducing agent, and 0.2 to 0.5 of antiscorching agent. The abrasion wear performance index of the synthetic adhesive is from 0.15-0.16 cm<3>/1.61 km, the requirement of the national standard is not more than 0.40 cm<3>/1.61 km, the abrasion wear performance index of the synthetic adhesive is far higher than that of the national standard, and meanwhile, a refined rubber piece has good uniformity in the course of processing the rubber matrix comprising the raw materials. The heat generation is low in the course of using parts of semi-finished products of a tire tread in the next working procedure.

The invention discloses an air-barrier glue for all-steel-wire truck radial tires, as well as a preparation method thereof. The glue comprises the following components in weight portion: 60 to 80 portions of natural glue, 20 to 40 portions of butadiene-styrene rubber, 40 to 65 portions of carbon black N660 as a reinforcing agent, 3 to 7 portions of zinc oxide as an activator, 1 to 4 portions of stearic acid, 2.5 to 5 portions of 204 resin as a tackifier, 2 to 5 portions of homogenizing agent UB4000 or 2 to 5 portions of homogenizing agent 40MSF, 0.5 to 2 portions of antiager 4020, 0.5 to 2 portions of antiager RD, 1 to 3 portions of protective wax, 2 to 4 portions of aromatic oil as a softening plasticizer, 0.5 to 1.0 portions of sulfur as a vulcanizing agent and 1.0 to 3.0 portions of accelerator NS or 1.0 to 3.0 portions of accelerator TBBS.

The invention provides a flame-proof antistatic V-belt rubber, which adopts neoprene adhesive variety which has excellent fire-proof property, adds traditional natural gum, butylbenzene rubber and neoprene adhesive in order to modify process property, then adds various fire retarding agent which has excellent antistatic and fire-proof property, wherein fire-proof property can respectively reach that flame combustion average time is no more than 5 seconds, and flameless combustion average time is no larger than 7 seconds, and simultaneously meets the base process technique property of V-belt and various physical mechanical properties which are required by criterion.

The present invention includes a denture device having a base configured to be positioned on a natural gum and at least partially surround the natural gum, at least one artificial gum attachable to the base, and at least one artificial tooth attached to the artificial gum. The artificial gum preferably includes a retaining portion. When the artificial gum is attached to the base, the retaining portion of the artificial gum preferably abuts to an undercut of a natural tooth to substantially secure the base, the artificial gum, and the artificial tooth to the natural gum.

The invention provides a method of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength and enhancing filler retention in a papermaking process The method improves the efficiency of drainage aids or wet web strength aids or wet strength aid by coating at least some of the filler particles with a natural gum and with a material that prevents the filler materials form adhering to those additives. The drainage additive or wet web strength additive or wet strength aid holds the cellulose fibers together tightly and is not wasted on the filler particles.

Provided herein is a composition comprising: a) a transglucosidase enzyme; and b) a natural gum polysaccharide, wherein said natural gum polysaccharide is a substrate for said transglucosidase enzyme. A method of using a transglucosidase enzyme to a degrade natural gum polysaccharide is also provided. The composition and method may be employed in cleaning applications.

The invention relates the rubber composition used to make antivibration device. The technology uses the friction energy loss strut attachment, and the strut attachment is composed by armored concrete and antivibration device. The antivibration device is composed by steel plate and rubber, and there is fastening force between steel plate and rubber. The antivibration device has a physical-mechanical properties request for rubber. The invention comprises 15-25wt% natural gum, 65-85wt% nitrile rubber, 0.9-1.5wt% sulphur, 0.2-0.5wt% accelerating agent D, 1.2-1.6wt% curing agent DM, 3.8-4.2wt% zinc oxide, 1.4-1.6wt% stearyl ester, 30-50wt% high abrasion black, 5-8wt% butyester, 3-6wt% phenol resin, 1.1-1.3wt% anti-aging agent 4010NA, and 1.1-1.3wt% anti-aging agent D. The rubber composition can meet the request of antivibration device.

The invention discloses an aerotire wire skim coating formula. The formula contains the following materials(based on weight portion): 80-90 portions of natural gum, 10-20 portions of cis-butadiene rubber, 4-6 portions of adhesive RS, 2-4portions of age inhibitor, 100-125 portions of soft black carbon, 3-5portions of curing agent, 0.5-1portions of accelerant, 1-3 portions of adhesive A, 1-3 portions of adhesion promoter AIR series, 1-2 portions of physical tackifier, 5-10 portions of promoting agent and 5-10portions of plasticizer. The rubber material with the formula is capable of making the surface of the steel wire be good in rubber conglutination, thus obviously improving the adhesive force between the skim coating and the steel wire and solving the problem that the rubber material is difficult to adhere to the roller in the production process.

The invention relates to a latex foam product and a preparation method thereof. The raw material of the latex foam product contains the following ingredients in percentage by weight: 15-25% of synthetic rubber, 60-70% of natural rubber, 1-3% of potassium oleate, 0.8-2% of castor oil, 0.1-10% of paraffin wax and 6-7.5% of rubber vulcanization accelerator. The latex foam product is prepared through steps of material preparing, foaming, material casting, digesting, drawing die, dehydrating and stoving, and the like.

The invention relates to whitening strips. The whitening strips comprise water-insoluble film layers, whitening layers and adhering-resistant lining layers, wherein the whitening layers include whitening agents, gels and water; and the gel is one or more of veegum, natural gum and polyvinylpyrrolidone. The whitening strips are conveniently adhered on the surfaces of the anterior teeth and a trough between every two teeth, can quickly release the whitening agents and protect the soft tissues such as gum and lips, and are conveniently taken out after use without hurt to the soft tissues in the mouth. The white strips are convenient, safe, efficient, and quick in acting during use. In the prior art, hydrogen peroxide which is beneficial for whitening the teeth bring extreme discomfort to the soft tissues in the mouth due to the concentration, and if the concentration of the hydrogen peroxide is reduced, the using time needs to be prolonged, and the problem is effectively solved by the whitening strips by adding the gels.

The invention relates to a frozen juicy meatball and a processing method thereof. The frozen juicy meatball consists of a coating and a stuffing. The coating is made from 0-90% of chicken breast meat, 0-90% of beef, 10-55% of edible starch, 0-50% of ice water, 0-90% of pig neck meat, 0-20% of soybean proteins, 0-3% of table salt and 0-2% of seasonings. The stuffing is made from 0-99% of pig neck meat, 0-99% of thigh meat No.4, 0-99% of marbled mea, 0-2% of seasonings, and 1-30% of carrageenin or gelatin or other natural gum. The frozen juicy meatball is ready to eat or cold-preserved for a long time period. Since the stuffing is stirred at low temperature, the natural gum such as carrageenin is in solid state. After the frozen juicy meatball is heated, the natural gum such as carrageenin turns to molten state and the ice water and the seasoning liquids in the stuffing are mixed together to form broth, so that the frozen juicy meatball is juicy and delicious, and the stuffing is fresh and smooth.

The invention relates to a sesame oil-free glue pudding which is manufactured by the following materials by weight percent: 15%-25% of cooked black sesame, 40%-60% of skin jelly, 20%-40% of rock candy as well as 1%-5% of sugar osmanthus. The manufacture method includes the following steps of: 1) preparing the skin jelly; 2) preparing glue pudding stuffing; 3) preparing glue padding blanks; 4) boiling and processing; and 5) packaging and freezing finished products. The sesame oil-free glue pudding and the manufacturing method thereof have the advantages of low oil, low heat, richness of various natural collagen nutrition and hairdressing elements, fragrant and sweet as well as soft and glutinous taste, and multi-juices. The sesame oil-free glue pudding and the manufacturing method thereof innovate boldly according to the modern nutrition principle and health diet, consider the integrated demands of delicious food and health, and propagate the traditional Chinese snacks. The stuffing ofthe finished products can also be prepared into sesame cakes manufactured by glutinous rice served cold in summer by properly reducing the proportions of partial black sesame and rock candy, can be prepared into frozen food like double-flavor and double-layer cakes manufactured by glutinous rice served cold in summer by increasing less cooked walnut powder. The sesame oil-free glue pudding has a plurality of types, is simple and convenient, and is suitable for public needs.

The invention relates to tire chafing strip glue stock. An amount of RIIR is added so as to improve the integral flex crab resistance and tearing resistance performances of the glue stock, thus guaranteeing the service performance of the chafing strip based on the cost reduction of the glue stock. The glue stock comprises the components according to the mixture ratio of parts by weight: 10-12 parts of natural gum, 10-15 parts of butadiene-styrene rubber, 45-60 parts of common reclaimed rubber, 10-15 parts of carbon black N 33910, 2-5 parts of calcium carbonate, 0.5-1parts of zinc oxide, 0.1-0.5 parts of stearic acid, 0.4-2.5 parts of age inhibitor, 0.5-1.5 parts of sulfur, 0.2-0.5 parts of promoter, 0.1-02 parts of antiscorcher CTP. In the formulation components, 3-10 parts of RIIR are added again.

The invention relates to a rubber material and a rubber material product. The invention aims to provide the rubber with permeability, so as to promote updating and upgrading of products in various industries. The invention adopts the technical proposal that the permeable rubber has the compositions of general rubber. The invention is characterized in that the compositions in weight portion of the permeable rubber are 40 to 65 portions of natural rubber, 0.5 to 60 portions of polyethylene oxide, 6 to 9 portions of butadiene-styrene rubber, 1 to 3 portions of sulfur, 1 to 1.5 portions of accelerant, 2 to 4 portions of zinc carbonate, 0.2 to 0.4 portion of stearic acid, 8 to 12 portions of white carbonic acid, 1.2 to 1.4 portions of antiaging agent and 1.3 to 1.7 portions of homogenizing agent. The permeable rubber can be used for manufacturing footwear materials and mackintoshes.

A festive cake decoration and wax-type confection made of a complex mixture of waxes, organic fibers, sweeteners, and which optionally includes at least one natural gum. The invention is capable of carrying and sustaining a flame when placed adjacent to a source of combustion. Once the invention is lit, the food matter of the invention oxidizes at a temperature of 125° F. (52° C.).

The invention provides fire-proof antistatic a V-belt tape frictioning, which adopts neoprene adhesive variety which has excellent fire-proof property, adds traditional natural gum, butylbenzene rubber and neoprene adhesive in order to modify process property, then adds various fire retarding agent which has excellent antistatic and fire-proof property, wherein fire-proof property can respectively reach that flame combustion average time is no more than 5 seconds, and flameless combustion average time is no larger than 7 seconds, and simultaneously meets the base process technique property of V-belt and various physical mechanical properties which are required by the criterion.

The present invention relates to an extended release dosage form of quetiapine wherein the dosage form comprises quetiapine and rate-controlling polymer selected from polyethylene oxide, sodium alginate and natural gum and combinations thereof. The dosage form may additionally comprise at least one water-insoluble polymer.

The invention discloses a composite thickening stabilizing agent for a fresh ground nutrient beverage. The composite thickening stabilizing agent comprises components of, by weight: 30 to 50% of guar gum, 20 to 40% of xanthan gum, 5 to 10% of gellan gum, 5 to 10% of locust bean gum, 5 to 20% of modified starch, and 5 to 20% of an emulsifier. The composite thickening stabilizing agent provided by the invention is aimed at nutrient beverages such as fresh ground soybean milk. According to the invention, natural gums and the emulsifier are complex-formulated. With an addition amount of 0.05% to 0.5%, the composite thickening stabilizing agent assists in solving problems of fresh ground nutrient beverages such as thin mouthfeel, rough quality and easy lamination. The composite thickening stabilizing agent provides good thickening, smoothing, suspending and stabilizing effects.