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30results about How to "Long shelf life at room temperature" patented technology
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Latent microcapsule curing agent initiating thermosetting epoxy resin curing at medium temperature and preparation method of adhesive thereof
InactiveCN102423673AHigh core contentFlat surfaceMicroballoon preparationMicrocapsule preparationEpoxyMicrosphere
The invention relates to a latent microcapsule curing agent initiating thermosetting epoxy resin curing at medium temperature and a preparation method of an adhesive thereof. The latent microcapsule curing agent is technically characterized in that the high-activity medium temperature curing agent is taken as a core material, thermoplastic high polymer microspheres are taken as a wall material, the solvent evaporation technology is adopted for preparing the latent microcapsule curing agent with better curing performance and latent performance, and the latent microcapsule curing agent can be applied to an epoxy resin system for preparing the single-component medium temperature curing epoxy resin adhesive. Microcapsules prepared by the method are high in capsule core content, smooth in surfaces, narrow in particle size distribution and good in compatibility with matrix epoxy resin and can be better dispersed in the epoxy resin; and the prepared single component adhesive can realize curing at the medium temperature, the storage period at room temperature is longer and the tensile shear strength performance can be further improved.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Thermal-activated adhesive film and method of producing the same
InactiveCN101402831ALow curing temperatureFast curingNatural rubber adhesivesFilm/foil adhesivesCross linkerBiological activation
The invention discloses a thermal activating glue film. The thermal activating glue film is characterized by consisting of resin, rubbers, fillings, a cross linker, a perduren compound and a promoter which are melted and mixed by a mixing mill and then calendered into a film. The thermal activation glue film is a thermal activating glue film which has the advantages of fast solidifying speed, excellent storage stability and high solidifying intensity, temperature resistance, environment protection and low cost.
Owner:YANTAI DARBOND TECH
Processing method of water-retention ready-to-eat natural rhopilema esculentum
InactiveCN102726770ACrisp tasteLong shelf life at room temperatureFood preparationAcetic acidReady to eat
The invention discloses a processing method of water-retention ready-to-eat natural rhopilema esculentum, wherein the processing method comprises the following working procedures: salting rhopilema esculentum and cutting into shreds; blanching for 20-30 seconds at 60-70 DEG C; rinsing for 3-8 minutes by use of running water; rinsing for 20-40 minutes by use of running water; rinsing by four stilling basins successively, and rinsing for 20-40 minutes for each basin; immersing by use of an immersing liquid containing calcium chloride and treholose; immersing by use of an immersing liquid containing potassium sorbite and acetic acid; and leaching water and carrying out vacuum packaging, thereby obtaining the water retention ready-to-eat natural rhopilema esculentum. The water retention ready-to-eat natural rhopilema esculentum prepared by the processing of the technology has reduced salt and vitriol content, is crisp in mouthfeel, is long in quality guarantee period, moreover is low in production cost, and is short in production time.
Owner:SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
Mixed gel food having good thermal stability, and production method thereof
A purpose of the present invention is to provide a mixed gel food having good thermal stability, wherein the mixed gel food comprises 18-22 wt% of white granulated sugar, 0.1-0.3 wt% of konjac gum, 0.1-0.3 wt% of Kappa type carrageenan, 0.1-0.3 wt% of gellan gum, 0.05-0.1 wt% of xanthan gum, 0.1-0.3 wt% L-calcium lactate, and process water. The present invention further provides a production method of the mixed gel food.
Owner:COFCO GROUP +1
Combined healthy and nutrient convenient set meal food and preparing manner thereof
InactiveCN104982927AIncrease nutritionNutritional diversityFood preparationBiotechnologyDietary pattern
The invention relates to combined healthy and nutrient convenient set meal food and a preparing manner thereof and belongs to the field of fast-food convenient food and processing of the fast-food convenient food. The set meal food is mainly formed by combining staple food, sauced pickle, meat diet, vegetables, dairy products or vegetable protein products and local snacks, and multiple combinations can be formed. Each kind of food is solid and is independently packed and preserved at a normal temperature, and the food can be eaten instantly after a bag is opened. The set meal food includes the breakfast and the dinner. Each of the breakfast and the dinner includes series of common food, Muslim food, vegetarian food, weight losing food, exercising food, recovery food and the like and is suitable for different people. The weight of each kind of food in the set meal food is prepared by a nutritionist according to heat and the nutrition intake demand, the preparing manner is entrusted and customized by special food manufacturers, and safety and sanitation of the food are ensured. The set meal food can replace the breakfast and the lunch with conventional food, and the nutrition balance can also be ensured after the set meal food is eaten for a long time. The combined healthy and nutrient convenient set meal food and the preparing manner thereof relate to the transformation of dietary modes of people in China, the food intake amount is reduced, nutrition balance of the food is improved, and health and the fatigue are maintained.
Owner:许文清
Epoxy resin system, preparation method thereof and prepreg
The invention relates to an epoxy resin system, a preparation method thereof and a prepreg. The epoxy resin system comprises the following components: in parts by mass, 100 parts of main epoxy resin,5-50 parts of a powder curing agent and 0-20 parts of a toughening agent, wherein each 100 parts of the main epoxy resin comprises the following components: in parts by weight, 10-70 parts of liquid epoxy resin, X parts of semi-solid epoxy resin and Y parts of solid epoxy resin, 30<=X+Y<=90, and Y<=60; the average value Ea of the apparent activation energy of the epoxy resin system in a curing reaction is >=70 kJ / mol; through theoretical researches combined with a large number of experiments, by selecting the powder curing agent, the contact area of the curing agent with the epoxy resin can bereduced, and the apparent activation energy of the resin system in the curing reaction can be adopted as an important basis for the preferred resin system, so that the obtained epoxy resin system andthe prepreg prepared by using a hot-melt method are cured at a low temperature of 80 DEG C or below and cured rapidly within 10 min at 130-150 DEG C or below, and the storage period of the prepreg atroom temperature reaches 20 days or above.
Owner:AEROSPACE RES INST OF MATERIAL & PROCESSING TECH +1
Fotiaoqiang frozen conditioning bag and processing process thereof
InactiveCN106376937AScientific and reasonable processing technologyStable processing technologyFood scienceAdditive ingredientBamboo shoot
The invention discloses a fotiaoqiang frozen conditioning bag and a processing process thereof, wherein the recipe comprises the following ingredients: 25 to 32 parts of beef tendons, 25 to 35 parts of sea cucumbers, 8 to 14 parts of abalones, 18 to 24 parts of fish maws, 18 to 24 parts of sliced conchs, 13 to 18 parts of pleurotus eryngii, 12 to 16 parts of winter bamboo shoots, 8 to 12 parts of dried scallop meat, 8 to 10 parts of quail eggs, 4 to 5 parts of yellow rice wine and 95 to 105 parts of safflower puree; the processing process is also disclosed. The fotiaoqiang frozen conditioning bag has the advantages that the processing process is scientific and reasonable; the industrial production is realized; the processing process is easy to master; the product quality of the obtained frozen conditioning bag is stable; the shelf life at normal temperature is long; after being bought by consumers, the food is cooked after stewing for 10 to 15 minutes in the frozen state; the eating is convenient and fast; the taste is delicious; the fragrance is durable; the taste enjoyment degree is higher than that of a traditional method; in addition, the product has high nutrition value; after the product is often eaten, the body immunity can be improved; the sleeping is improved; the sub-health status is further improved.
Owner:NEW HOPE LIUHE
High-temperature-resisting structural adhesive film capable of being stored for long time at room temperature and preparation method thereof
ActiveCN105694756AIncrease interfacial bonding and bond strengthResin Toughened Microcrack Growth AbilityNon-macromolecular adhesive additivesFilm/foil adhesivesChemistryHot press
The invention provides a high-temperature-resisting structural adhesive film capable of being stored for a long time at the room temperature and a preparation method thereof and relates to a structural adhesive film and a method for preparing the adhesive film. The structural adhesive film and the method for preparing the adhesive film aim to solve the problems that an existing structural adhesive film is short in room temperature storage life, and combusted smoke is high in toxin. The adhesive film is composed of polybenzoxazine resin, a toughening agent, modifier, a heat conduction material, a coupling agent, inorganic filler and a carrier. The preparation method includes the steps that firstly, process modifier and toughening modifier are subjected to prepolymerization in a reaction kettle, then the polybenzoxazine resin is added and stirred to be uniform, and modified polybenzoxazine resin is obtained; then, the modified polybenzoxazine resin is subjected to vacuum kneading with the silane coupling agent, the heat conduction material and the inorganic filler through a kneading machine, and an adhesive material is obtained; finally, the adhesive material is subjected to hot pressing with the carrier on an adhesive film calender to be made into the film, and the high-temperature-resisting structural adhesive film can be obtained. The high-temperature-resisting structural adhesive film has the advantages of being flame retardant, low in smoke, low in toxin, capable of achieving complete curing at the temperature of 185 DEG C, high in adhesion strength and good in high temperature resistance; the adhesive film is stored for 180 days at the room temperature, and process performance and adhesion performance maintain unchanged.
Owner:INST OF PETROCHEM HEILONGJIANG ACADEMY OF SCI
Method for preparing concatenated active bifidobacterium product
ActiveCN1891236ALong shelf life at room temperatureHigh viable count of bifidobacteriaPowder deliveryBacteria material medical ingredientsAmino acidBifidobacterium
The present invention relates to a preparation method of multiple active bifidobacterium products. It is characterized by that according to the requirements of different crowds said invention adopts different kinds of bifidobacterium live bacterial powders to preparae multiple bifidobacterium live bacterial dried powders. In these multiple bifidobacterium live bacterial dried powders the oligosaccharides with the function of promoting multiplication and amino acids can be added so as to obtain the invented multiple active bifidobacterium products.
Owner:广州高新广微生物技术有限公司
Processing method for dry-cured beef
InactiveCN109619160ALow costLong shelf life at room temperatureMeat/fish preservationSmoking treatmentGingerol
The invention discloses a processing method for dry-cured beef. The method comprises the following steps that fresh beef is cut into multiple beef strips, and each beef strip is in a rectangular stripshape; by weight, 1 part of salt, 0.1 part of liqueur, 0.3 part of white sugar, 0.3 part of shredded fresh ginger, 0.05 part of cinnamon, 0.03 part of Sichuan peppers and 20 parts of beef strips aretaken for salting; the salted beef strips are placed in a ventilated and shade place for airing for 3-5 hours; the aired salted beef strips are soaked in cold water one by one and aired for 5-7 days under sun illumination, and the time of each salted beef strip soaking in the cold time is shorter than 5 seconds; the aired salted beef is subjected to smoking treatment. Compared with the related art, the processing method for the dry-cured beef has the advantages that the method is simple and low in cost, the preservation time is long, and the taste is good.
Owner:怀化永晟畜牧养殖专业合作社
Vegetable noodles containing probiotics and manufacture method thereof
InactiveCN108783218AGood colorAppearance emerald greenFood ingredient functionsPotato starchAdditive ingredient
The present invention provides vegetable noodles containing probiotics and a manufacture method thereof. A probiotic component is added into a seasoning package; wheat flour is added into vegetable slurry to prepare the vegetable noodles containing the probiotics; wherein the vegetable slurry is obtained by green leaf vegetable cutting and crushing, hot water blanching, potato starch spraying, icewater adding, homogenizing and wet-method superfine crushing; and the probiotic component is a mixture of adding a probiotic composition into white fungus paste, pretreated potato starch, etc. The manufactured noodles are good in color and luster (are emerald green in appearance and have no browning) and less in nutrient loss; a survival rate of live micro-organisms is high in the seasoning package; and the vegetable noodles have a long storage period at normal temperature.
Owner:广东日可威富硒食品有限公司
Nutritious potato chip containing probiotics and preparation method thereof
InactiveCN108771167AReduce moisture contentReduce oil contentFruits/vegetable preservation by coatingNutritive valuesChipped potatoes
The invention provides a nutritious potato chip containing probiotics and a preparation method thereof. The preparation method comprises the following steps: using fresh potatoes as the raw material,making the potatoes into slices and immersing in water, carrying out vacuum freeze-drying on the slices and spraying a probiotics solution on the surface of the slices, vacuum-drying, brushing with amixed solution prepared from an okra extract, sodium alginate and a soak solution, naturally air-drying, carrying out low-temperature baking at 85-95 DEG C or carrying out freezing treatment, and finally carrying out vacuum low-temperature frying. During the preparation process of the potato chip, the probiotics component is added, thus raising nutritive value of the potato chip. The potato chip is beautiful in color, has low moisture content, low oil content and high survival rate of live bacteria, and has long storage life at normal temperature.
Owner:广东日可威富硒食品有限公司
Water-based release glue as well as preparation method and application thereof
PendingCN114736580ASafe preparationEasy to usePolyester coatingsPriming paintsPolymer scienceCross linker
The invention discloses water-based release glue as well as a preparation method and application thereof. The water-based release glue comprises the following components in parts by weight: 10-30 parts of water-based polyester resin; 20-50 parts of a water-based modified acrylic emulsion; 10 to 20 parts of a waterborne polyurethane modified acrylate emulsion; 5 to 25 parts of a cosolvent; 10 to 40 parts of deionized water; and 0.5 to 1.5 parts of an anti-sticking agent. The water-based release glue is a water-based coating, adopts the water-based modified acrylic emulsion, the water-based polyurethane modified acrylate emulsion and the water-based acrylic modified polyester, and is added with the anti-sticking agent, the cross-linking agent and the like, so that the water-based release glue has the advantages of excellent temperature resistance, flexibility, scratch resistance, good printing and decoration effects, high drying speed, good adhesive force and stripping balance degree, and good water-based release effect. And complete stripping can be realized by pulling with a 3M strong adhesive tape.
Owner:CHUZHOU JINQIAO TEXAS NEW MATERIALS CO LTD
Enzymatic Chemiluminescent Substrates
ActiveCN107449771BStrong luminous signalEnter the platform period quicklyChemiluminescene/bioluminescenceChlorobenzeneThio-
The invention discloses an enzymatic chemiluminescent substrate. The enzymatic chemiluminescent substrate comprises the following components: 9-(4-chlorphenyl thio-benxoyl oxymethylene)-10-methyl-9-10-acridanyl-disodium salt, 5-(tetradecanamide) fluorescein and an aryl acylhydrazone-9, 10 acridine derivate. According to the enzymatic chemiluminescent substrate, the aryl acylhydrazone-9, 10 acridine derivate is added as a substrate enhancer which is dissolved in a substrate solution and can act with alkaline phosphatase to light, so that the enzymatic chemiluminescent substrate has the advantages of being high in lighting signal, fast to enter plateau, long in lasting time, and long in normal-temperature storage term.
Owner:普十生物科技(北京)有限公司
Thermal-activated adhesive film and method of producing the same
InactiveCN101402831BLow curing temperatureFast curingNatural rubber adhesivesFilm/foil adhesivesCross linkerTemperature resistance
Owner:YANTAI DARBOND TECH
Anti-sedimentation agent added into building coating and preparation technology
InactiveCN109181393AEnvironmentally friendlyLong shelf life at room temperatureFireproof paintsPolyurea/polyurethane coatingsMaterials scienceStabilizing Agents
The invention discloses an anti-sedimentation agent added into building coating and a preparation technology. According to the anti-sedimentation agent added into the building coating and the preparation technology, the anti-sedimentation agent is prepared from the following raw materials in parts by mass: 20 to 25 parts of de-ionized water, 0.4 to 0.6 part of a dispersant, 4 to 6 parts of an anti-sedimentation agent, 0.7 to 1.1 parts of a preservative, 0.3 to 0.5 part of a pH (Potential of Hydrogen) stabilizing agent, 0.2 to 0.5 part of a de-foaming agent, 14 to 20 parts of pigment and filler, 65 to 75 parts of waterborne hydroxyl dispersion, 45 to 55 parts of resin, 2 to 4 parts of a curing agent, 45 to 55 parts of hydrophilic modified polyisocyanate, 55 to 65 parts of methyltrimethoxysilane, 18 to 24 parts of silica sol and 75 to 85 parts of elastic emulsion. The coating disclosed by the invention has the beneficial effects that the coating has the advantages of environment protection, no ignition under fire, no expansion, no emission of smoke and long quality guarantee period at room temperature; the building coating has stable components and a good adhesion force and is convenient to construct; the anti-sedimentation agent is directly added into the coating through a special processing manner, so that the coating has a better wetting and dispersion function; and the leveling property and the anti-sedimentation effect are more obvious.
Owner:MINGGUANG FEIZHOU NEW MATERIAL
Solvent-free 180-DEG C-resistant ultralow-viscosity epoxy resin matrix and preparation method thereof
The invention relates to a solvent-free type 180 DEG C-resistant ultralow-viscosity epoxy resin matrix and a preparation method thereof, and aims to solve the problems of short low-viscosity working life, low use temperature, high curing temperature and high hygroscopicity of most existing epoxy resin matrixes for RTMs. The epoxy resin matrix consists of a bifunctional epoxy resin, a polyfunctional epoxy resin and a liquid-state curing system. The preparation method of the epoxy resin matrix comprises the following steps: stirring components at a high speed, fully and uniformly mixing, and defoaming in vacuum to obtain the epoxy resin matrix. According to the invention, the preparation process is simple and convenient, the epoxy resin matrix is low in viscosity, environmentally friendly and long in process window time, and the glass transition temperature (Tg) of the matrix after medium-temperature (150 DEG C) curing is higher than 180 DEG C; and the resin matrix is applied to the technical field of polymer composite materials.
Owner:INST OF PETROCHEM HEILONGJIANG ACADEMY OF SCI
Two-component waterborne colorful paint coating
InactiveCN107987707AEnvironmentally friendlyLong shelf life at room temperatureFireproof paintsPolyurea/polyurethane coatingsEnvironmental resistanceMaterials science
The invention belongs to the technical field of novel building materials, and particularly discloses two-component waterborne colorful paint coating. The two-component waterborne colorful paint coating comprises a component A and a component B, wherein the component A comprises the following components: 15-20 parts of deionized water, 0.3-0.5 part of a dispersant, 1-2 parts of an anti-settling agent, 0.8-1 part of a preservative, 12-16 parts of a pigment and a filler, 60-70 parts of a waterborne hydroxyl dispersion, 40-50 parts of resin and 1-3 parts of a curing agent; the B component comprises the following components: 40-50 parts of hydrophilic modified polyisocyanate, 50-60 parts of methyltrimethoxysilane, 15-20 parts of silica sol and 70-80 parts of an elastic emulsion. The two-component waterborne colorful paint coating has the advantages of environment friendliness, incombustibility in case of a fire, no expansion, no smoke emission, and a long shelf life at room temperature, andis stable in components, good in adhesion and convenient to construct.
Owner:陈益德
Moderate-temperature-curing latent epoxy resin curing agent
The invention relates to the field of epoxy resin curing agents, in particular to a moderate-temperature-curing latent epoxy resin curing agent. The curing agent comprises the following components inparts by mass: 100 parts of a resin main body, 5-15 parts of a high-temperature curing agent, 1-5 parts of a modified curing agent, 0-2 parts of a stabilizer and 5-10 parts of a nano-filler. The selected modified curing agent has a good room-temperature storage period on the premise of realizing moderate-temperature (100-120 DEG C) curing; the addition of the stabilizer and the nano-filler can achieve a good toughening effect, the nano-filler can also reduce the thermal expansion coefficient of an adhesive, and the stabilizer plays an important role in prolonging the room-temperature storage period; and besides, the high-temperature curing agent and the modified curing agent are used in cooperation according to a certain ratio, so an epoxy resin curing system has a certain proportion of flexible chain segments while having high cross-linked network density, and the cured system has good Al-Al lap shear strength and tensile strength.
Owner:SHAANXI SCI TECH UNIV
Method for preparing wood ceramics from epoxy resin and industrial alkali lignin
The invention belongs to the technical field of biomass material preparation and provides a method for preparing wood ceramics from epoxy resin and industrial alkali lignin. Absolute ethyl alcohol serves as a diluent and a dispersing agent to completely disperse industrial alkali lignin and a high-temperature latent curing agent into an epoxy resin system so as to obtain the wood ceramics throughhigh-temperature curing and calcining. By adoption of the low-cost industrial alkali lignin as a raw material, the problem of high-value application of lignin can be solved while epoxy resin curing ispromoted, curing agent consumption is reduced, and accordingly production cost is reduced. By adoption of the high-temperature latent curing agent, a long normal-temperature applicable life of the resin system is realized, adaptability to high stirring temperature is realized, and process performances are further improved.
Owner:BEIJING FORESTRY UNIVERSITY
A kind of epoxy resin composition using acrylate as latent curing agent
The invention discloses an epoxy resin composition taking acrylate as a latent curing agent. The composition comprises the following raw materials in parts by weight: 100 parts of an epoxy resin, 5-50 parts of a curing agent and 1-30 parts of an accelerant, wherein the curing agent is one or a mixture of an acrylate monomer and an acrylate oligomer, and the accelerant is a metal oxide or a metal salt. The raw materials are simple to prepare, low in toxicity and environmental-friendly, and the constant temperature of the composition is long if being mixed with the epoxy resin, so that the storage period is effectively improved; the high-temperature reaction speed is fast, the shrinkage strain is little, and the composition has a good mechanical property.
Owner:FUZHOU UNIV
Medium-temperature fast-curing single-component epoxy resin system for prepreg and preparation method thereof
PendingCN112851913AWell mixedLong shelf life at room temperatureOrganic chemistryPolymer scienceResin matrix
The invention belongs to the technical field of epoxy resin, and particularly relates to a medium-temperature fast-curing single-component epoxy resin system for prepreg and a preparation method thereof. The medium-temperature fast-curing single-component epoxy resin system for prepreg is prepared by the following steps of: preparing a component A, namely heating and stirring an epoxy resin matrix; preparing a component B, namely performing nucleophilic substitution reaction on an imidazole compound containing an active N-H bond and cyanuric chloride to obtain an imidazole latent curing agent containing a triazine ring structure; and heating, stirring and uniformly mixing the component A and the component B to obtain the single-component epoxy resin system for prepreg.
Owner:江苏生益特种材料有限公司
Normal-temperature preservation method of nitrifying bacteria
ActiveCN114686392ALong shelf life at room temperatureGood storage activityBacteriaUnicellular algaeBiotechnologyBiochemical engineering
The invention relates to a normal-temperature preservation method of nitrifying bacteria, which comprises the following steps: (1) carrying out aeration culture on the nitrifying bacteria to a stable growth period, and collecting thalli; (2) adding the thalli and the microalgae into a preservation solution, and preserving the thalli and the microalgae; the preservation condition is room temperature, light and dark alternate culture is carried out, and the total sunlight illumination time is longer than 8 h; and (3) after the preservation is finished, cutting out an upper microalgae layer, and adding the rest materials into a culture solution for aeration culture to obtain the nitrifying bacteria with stable activity. According to the invention, large-batch normal-temperature preservation of thalli is realized by adopting a phycomycete symbiosis mode, and the method has the advantages of long normal-temperature preservation period, good preservation activity, high recovery speed and the like.
Owner:CHINA PETROLEUM & CHEM CORP +1
Preparation method of mulberry whole fruit powder
ActiveCN112655915ASolve emulsification and refinementPrevent fat globules from clumpingFood scienceChemistryColloid mill
The invention discloses a preparation method of mulberry whole fruit powder, which comprises the following steps: (1) removing impurities from fresh mulberries, conducting cleaning and pulping, and carrying out enzymolysis on endogenous pectin; (2) adding a softener, stirring, dissolving, dispersing and softening the mulberry seeds, conducting heating for degasing, conducting sterilization, deactivating enzyme and softening the mulberry seeds by heating power; (3) refining the slurry by a colloid mill for 2-3 times to refine the mulberry seed particles and release the mulberry seed oil, adding citric acid fatty acid glyceride, conducting stirring, dispersing and dissolving, carrying out micronization treatment for 1-2 times by using a colloid mill to obtain emulsified mulberry pulp, and using a homogenizer for carrying out particle ultrafine pulverization, so as to obtain slurry homogenized liquid; and (4) performing spray drying and cooling, adding an anti-caking agent, and performing uniform mixing so as to obtain the mulberry whole fruit powder product. According to the method, the mulberry pulp and the mulberry seeds are completely utilized, the raw material utilization rate is high, the nutritional value is high, and the product flavor is pure.
Owner:HUBEI UNIV OF TECH
A kind of imide modified cyanate ester foam adhesive film and preparation method thereof
ActiveCN112592693BHigh reactivityAchieve Warm CuringNon-macromolecular adhesive additivesFilm/foil adhesivesImidePolymer science
An imide-modified cyanate foamed adhesive film and its preparation method, characterized in that: isocyanate and blocking agent are used to prepare isocyanate sealant, and cyanate ester, thermoplastic resin and epoxy resin are used to prepare cyanate prepolymerized film. body, mix cyanate prepolymer, acid anhydride compound and isocyanate blocker to obtain resin for cyanate film, and finally press it into film. The styrofoam film of the present invention does not need to add foaming agent, and the isocyanate and acid anhydride based on the high-temperature unblocking of the isocyanate block react to generate CO 2 , in-situ foaming during the curing process, and the imide ring formed by the reaction at the same time endows the film with good heat resistance. In addition, the isocyanate blocker has no catalytic activity to cyanate at room temperature, and the film has a long storage period at room temperature. The unblocked blocker contains active hydrogen, which can improve the reactivity of cyanate and realize the curing of cyanate at medium temperature.
Owner:山东光轩新材料有限公司
Hot-melt pressure sensitive adhesive film and preparation method thereof
InactiveCN110128954AGood flexibilityLong shelf life at room temperatureNon-macromolecular adhesive additivesMacromolecular adhesive additivesEnvironmental resistanceTemperature resistance
The embodiment of the invention discloses a hot-melt pressure sensitive adhesive film. The raw materials of the hot-melt pressure sensitive adhesive film include, by weight, 25-35 parts of a resin, 30-40 parts of a rubber, 1-3 parts of a vulcanized rubber composition, 3-10 parts of a promoter, 25-35 parts of a filler and 1-5 parts of a crosslinking agent. The raw materials undergo open milling andmixing by an open mill, and the obtained mixture is cast to obtain the hot-melt pressure sensitive adhesive film. The promoter is at least one or a mixture of 2,4,6-tris(dimethylaminomethyl)phenol,triethylamine, triethanolamine, benzyldimethylamine, a bicyclic amidine curing agent, 2-dimethylaminomethylphenol, pyridine and a quaternary ammonium salt promoter. The hot-melt pressure sensitive adhesive film of the invention has the advantages of high curing speed, excellent storage stability, high curing strength, good temperature resistance, environmental protection during preparation, and low cost.
Owner:马其祥
Mixed gel food with good thermal stability and method for producing the same
ActiveCN106360516BImprove thermal stabilityLong shelf life at room temperatureFood scienceBiotechnologyGellan gum
Owner:COFCO GROUP +1
A high temperature resistant structural adhesive film that can be stored for a long time at room temperature and preparation method thereof
ActiveCN105694756BStructure is easy to getFlame retardantNon-macromolecular adhesive additivesFilm/foil adhesivesRoom temperatureAdhesion strength
Owner:INST OF PETROCHEM HEILONGJIANG ACADEMY OF SCI
Method for preparing concatenated active bifidobacterium product
ActiveCN100490826CHigh viable countLong shelf life at room temperaturePowder deliveryBacteria material medical ingredientsBifidobacteriumMicrobiology
Owner:广州高新广微生物技术有限公司
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