901 results about "Tackifier" patented technology

An absorbent article comprising a hotmelt adhesive comprising a styrene-block-copolymer (SBC), an amorphous polyolefin and optionally a tackifier. The SBC is preferably selected from the group of SEBS, SEPS and SEP polymers, and the amorphous polyolefin is preferably a propylene-based copolymer (PbP) having a weight-average molecular weight Mw of less than 10 000 g / mol. The hotmelt adhesive bonds two components of the article, for example SAP particles on the core wrap.

The invention discloses a mechanical polishing pad with a CMP composite groove and a preparation method of the mechanical polishing pad, and belongs to the technical field of polishing pads. The mechanical polishing pad comprises a polishing layer, a bonding layer and a substrate layer, and the polishing layer is bonded to the surface of the substrate layer through the bonding layer; the bonding layer is prepared from the following raw materials in parts by mass: 47 to 50 parts of EVA resin, 35 to 36 parts of tackifier, 8 to 12 parts of paraffin, 3 to 7 parts of filler and 0.5 to 2 parts of antioxidant. The mechanical polishing pad solves the problem that when an existing mechanical polishing pad is used, a groove of the mechanical polishing pad cannot well convey polishing liquid, the mechanical polishing pad cannot be well supported, and the mechanical polishing effect is poor. The polishing liquid conveying performance of the mechanical polishing pad can be improved, the mechanical polishing pad is prevented from deforming during polishing, it can be guaranteed that polishing pressure is evenly transmitted, the size stability and the compression permanent deformation resistance of the mechanical polishing pad can be improved, and the mechanical polishing effect can be effectively improved.

The invention discloses a moxidectin pouring solution and a preparation method thereof, and belongs to the technical field of veterinary drug preparations. Every 500 ml of the moxidectin pouring solution comprises 0.1%-10% of moxidectin, an antioxidant, a penetrating agent, a tackifier, a cosolvent, a coloring agent and the balance of a fat solvent, and preferably, soybean oil is used as the fat solvent. The preparation method comprises the following steps: mixing and dissolving the components according to a specific sequence, filtering and sub-packaging. The moxidectin pouring solution disclosed by the invention has the advantages of low cost, convenience in preparation, good quality stability, no influence on impurity detection and the like, effectively solves a plurality of problems of the moxidectin pouring solution in the prior art, and has a good application prospect.

The invention discloses a bio-based flexible cementing material and a cold-mix asphalt mixture, and relates to the field of adhesives. The bio-based flexible cementing material comprises 80-85 wt% of a component A and 15-20 wt% of a component B, the component A comprises bio-based polyol, natural asphalt, natural rubber, a tackifier and a bio-based plasticizer according to a weight ratio of (160-180): (45-55): (75-85): (140-160): (380-410), and the component B is an isocyanate cross-linking agent. The bio-based flexible cementing material is used as a cementing material of a cold-mixed asphalt mixture, can be directly constructed at low temperature or normal temperature, does not need to be heated to improve the flowability, is convenient to construct, can form a stable skeleton structure through crosslinking, and can form a stable structure under the cooperation of natural rubber and natural asphalt. The bio-based flexible cementing material has both high temperature resistance and low temperature resistance, and the stability of a road structure can be improved.

The invention discloses two-component addition type low-density liquid foaming silicone rubber and a preparation method thereof, and belongs to the technical field of silicone rubber preparation. Comprising a component A and a component B, the component A is prepared from the following components in parts by weight: 50 to 70 parts of vinyl terminated polysiloxane, 10 to 20 parts of vinyl hydroxyl silicone oil, 0.5 to 2 parts of platinum catalyst, 15 to 25 parts of HGM (at) PN-rGO / APP and 3 to 8 parts of methyl vinyl MQ resin; the component B is prepared from the following components in parts by weight: 50 to 60 parts of vinyl-terminated polysiloxane, 8 to 15 parts of hydrogen-terminated hydrogen-containing silicone oil, 10 to 20 parts of methyl-terminated hydrogen-containing silicone oil, 5 to 10 parts of hydroxyl-terminated silicone oil, 0.002 to 0.01 part of an inhibitor, 10 to 20 parts of fumed silica and 1 to 3 parts of a tackifier. The synergistic components in the HGM-coated PN-rGO / APP can greatly improve the flame retardant property of the silicone rubber, improve the compression strength and reduce the heat release rate at the same time.

The invention provides an anaerobic adhesive composition, an anaerobic adhesive and a preparation method of the anaerobic adhesive. The anaerobic adhesive composition comprises a main agent and a promoting primer, and the main agent comprises the following components in parts by weight: 30-70 parts of an acrylate monomer, 5-20 parts of an acrylate oligomer, 5-20 parts of a tackifier and 1-10 parts of an amide monomer; the accelerating primer is prepared from the following components in parts by weight: 0.01 to 30 parts of phosphorus-containing acrylate monomer and 0.001 to 1 part of reaction accelerator; wherein the reaction accelerant is an organic compound containing transition metal. According to the anaerobic adhesive composition, the curing degree of the anaerobic adhesive can reach the standard in a short time (within 3 min), and high drawing strength and an excellent damage form are achieved, so that the bonding requirement of a silicon steel sheet of a motor iron core is met; and the anaerobic adhesive has the advantages of high temperature resistance, no cracking, high drawing strength, vibration resistance, good oil-resistant stability and the like.

The invention relates to the technical field of oilfield exploitation, and discloses a polysaccharide-containing solid-free drilling fluid and a preparation method and application thereof.The drilling fluid is formed by mixing a plugging anti-collapse agent, a polysaccharide fluid loss agent, a tackifier and the like as raw materials, the functional monomer is prepared by carrying out emulsion cross-linking polymerization under the action of an initiator, the functional monomer structure contains a large number of quaternary ammonium cations and sulfonic acid groups and also contains a biphenyl structure, and the quaternary ammonium cations can generate a strong adsorption effect with shale and silt, so that the plugging effect and temperature resistance of the drilling fluid are improved; polysaccharide is adopted as the filtrate reducer of the drilling fluid, high-viscosity colloid can be formed after the polysaccharide is dissolved in water, stratum pores are effectively blocked, filtrate invasion is reduced, the filter loss is reduced, and the polysaccharide filtrate reducer can improve the viscosity of the drilling fluid, enhance the rock-carrying capacity of the drilling fluid and improve the cleaning effect of a well hole.

The invention discloses a high-viscosity anti-skid waterproof asphalt coating, which comprises the following components in parts by weight: 40-60% of petroleum asphalt, 10-20% of asphalt, 10-20% of a curing agent, 10-20% of a curing agent, 10-20% of a curing agent, and the balance of water. 15%-25% of light-cured resin; 5%-10% of a tackifier; 1%-3% of a photoinitiator; 10%-20% of an anti-skid filler; and 0.5%-2% of an auxiliary agent. According to the high-viscosity anti-slip waterproof asphalt coating disclosed by the invention, through the synergistic modification effect of the light-cured resin and the tackifier on the petroleum asphalt, the bonding cohesion can be improved, the water resistance can be enhanced, and rapid curing, high bonding power, slip resistance and long-acting waterproof performance can be realized. The coating is environment-friendly and efficient, is suitable for various engineering scenes, and is particularly suitable for projects with high requirements on construction efficiency and safety performance; the preparation method is simple in process flow, low in equipment investment and operation cost and beneficial to popularization and application.

The invention discloses a temperature-sensitive hydrogel fire extinguishing agent for lithium ion battery fire fighting and a preparation method. The temperature-sensitive hydrogel fire extinguishing agent is prepared from 100 parts of water, 0.5-5 parts of cellulose ether, 0.5-10 parts of natural polysaccharide, 1-5 parts of a fire extinguishing aid, 0.05-1 part of a biodegradable surfactant, 0.05-0.5 part of a preservative, 0.5-5 parts of inorganic filler and 5-15 parts of a tackifier. The preparation method comprises the following steps: uniformly stirring water, cellulose ether, natural polysaccharide and inorganic filler in proportion at a high speed under a heating condition, after all the components are fully dissolved or uniformly dispersed, continuously adding the fire extinguishing additive, the biodegradable surfactant and the preservative in proportion, and uniformly stirring again to obtain a component A; dissolving polyvinyl alcohol in water at 90-95 DEG C to prepare an aqueous solution serving as a component B; the component A and the component B are mixed in proportion. The fire extinguishing agent is low in raw material price and simple in preparation process, and has the characteristics of good fire extinguishing effect, high after-combustion resistance, biodegradability and the like.

The invention discloses a double-effect waterproof tiling coating and a preparation method thereof, and belongs to the technical field of tiling coating preparation. The double-effect waterproof tiling coating is prepared from the following components in parts by weight: 30 to 40 parts of Portland cement, 20 to 30 parts of quartz sand, 8 to 15 parts of a modified waterproof agent, 1 to 2 parts of nano silicon dioxide, 5 to 12 parts of a tackifier, 0.3 to 0.6 part of hydroxypropyl methyl cellulose, 0.2 to 0.5 part of a water reducing agent, 0.1 to 0.3 part of a de-foaming agent and 0.1 to 0.2 part of a preservative. The coating prepared by the method has excellent waterproofness and adhesiveness.

The invention discloses special mute cotton for tires, which comprises a mute layer and a back adhesive tape, and the back adhesive tape is prepared from the following substances in parts by mass: 80-100 parts of styrene-butadiene-styrene block copolymer, 50-60 parts of tackifier, 20-30 parts of naphthenic oil, 5-15 parts of adsorbent, 1-2 parts of antioxidant 1520 and 1-2 parts of cross-linking agent. The prepared mute cotton does not need laser treatment and polishing, can effectively absorb a release agent on the inner wall of a tire, the bonding effect can reach cohesive failure of a self-adhesive layer, revolutionary change is achieved, tire agents, tire stores and even vehicle owners can operate the mute cotton by themselves, equipment assistance is not needed, construction is simple, cost is low, and large-scale popularization can be achieved.

The invention discloses a novel insulating silicone rubber packaging material with a self-fusion characteristic, high voltage resistance and weather resistance. The material is prepared from raw methyl vinyl silicone rubber, fumed silica as a reinforcing filler, modified vinyl MQ silicone resin as a tackifier, hydroxyl silicone oil as a structure control agent, modified aluminum hydroxide and the like as raw materials, has a self-fusion characteristic, can be autonomously bonded to form a seamless insulating layer through contact pressing of two lap joint surfaces, and has the initial peel strength of 3.5 N / mm and the tensile strength of 95N / mm. The secondary fusion strength retention rate exceeds 90%; the power frequency withstand voltage under the thickness of 2mm is greater than or equal to 45kV, the power frequency withstand voltage under the thickness of 4mm reaches 66kV, and the volume resistivity is gt; and 1 * 10 < 12 > omega.m, which is improved by more than 50% compared with the traditional material. The product gives consideration to both mechanical performance and weather resistance, the thick wing-shaped sheet structure is adaptive to special-shaped equipment and can be installed in an electrified mode, and an innovative insulation protection scheme can be provided for power transmission and transformation equipment.

The invention provides a polyethylene composite film. The polyethylene composite film comprises a surface layer, a middle layer and a heat sealing layer which are sequentially stacked, wherein the surface layer is composed of 58%-76% of hexene copolymerized metallocene linear low density polyethylene, 18%-37% of low density polyethylene and a small amount of slipping agent and anti-blocking agent; the middle layer is composed of 79%-88% of octene copolymerized metallocene medium density polyethylene, 5%-21% of hexene copolymerized metallocene linear low density polyethylene and 6%-15% of high density polyethylene; and the heat sealing layer is composed of 47%-65% of hexene copolymerized metallocene linear low density polyethylene, 33%-45% of low density polyethylene and 2%-5% of a tackifier. According to the composite film disclosed by the invention, through gradient design of each layer of material, the whole composite film has rigidity and toughness, and the composite film is particularly suitable for manufacturing stand-up bag packages which stand stably and are compression-resistant and impact-resistant.

The present invention relates to a hot-melt adhesive composition comprising a biodegradable plastic, a thermoplastic polymer, a tackifier and a plasticizer, wherein the biodegradable plastic includes polyhydroxyalkanoate (PHA). The hot-melt adhesive composition according to the present invention has lower viscosity and higher adhesiveness compared to a petroleum-based hot-melt composition, and can be used as an eco-friendly hot-melt adhesive composition having physical properties corresponding to an excellent recycling criteria grade under recyclability assessment criteria.

The invention relates to the field of materials, and discloses a high-resolution quantum dot photoresist for a MicroLED color conversion layer and a preparation method of the high-resolution quantum dot photoresist, preparation raw materials of the quantum dot photoresist comprise a functional component and an optional solvent, based on the total amount of the preparation raw materials, the amount of the functional component is 20-100wt%, and the amount of the optional solvent is 20-100wt%. The functional component comprises quantum dots, a polyfunctional monomer, a monofunctional monomer, a coupling agent, an initiator, a leveling agent, a thickening agent and a tackifier. According to the invention, a polyfunctional monomer molecule with an alkyl chain with a certain length is selected as a main body which is triggered to be crosslinked in a photosensitive system, and then a specific monofunctional molecule is added and doped, so that a peeling phenomenon caused by excessive shrinkage in an exposure process and a post-baking process can be effectively prevented.

The invention discloses an optical silica gel for high-flexural impact protection, an adhesive film and a preparation method, and the optical silica gel for high-flexural impact protection is prepared from the following raw materials in parts by weight: 30-60 parts of phenyl vinyl silicone oil, 5-15 parts of phenyl vinyl silicone resin, 20-50 parts of phenyl silicone resin, 0.2-5 parts of phenyl hydrogen-containing silicone oil, 0.5-8 parts of phenyl hydrogen-containing silicone resin and 0.1-0.5 part of an inhibitor, 1-10 parts of a tackifier and 0.1-1 part of a catalyst. The high-flexural impact-resistant optical silica gel for protection has a high refractive index and good physical and chemical stability, and a prepared adhesive film can be stable in property and free of yellowing at a high temperature (100-150 DEG C) for a long time (100 h), and can be cured at a high temperature (85 DEG C) and a high humidity (150 DEG C) for a long time (100 h). The coating is free of fogging in the state of high temperature resistance and humidity of 85 kg / m < 3 >, has good adhesion to various base materials, can maintain considerable mechanical strength, and is excellent in overall performance.

The invention discloses a formaldehyde-free environment-friendly shaving board and a preparation method thereof.The shaving board is composed of wood shavings and a functional adhesive, and the core lies in that through molecular design and interface modification of the functional adhesive, the formaldehyde release problem of a traditional shaving board and the performance shortage of an existing formaldehyde-free adhesive are solved; according to the functional adhesive, starch is used as a base material, a modified tackifier, a modified water-resistant agent and the like are used as auxiliary materials, the bonding strength is improved through a cross-linking reaction between hydroxyl of the starch and an isocyanate group in the modified tackifier, the water resistance is enhanced through a hydrophobic barrier formed by a fluorosilane chain segment in the modified water-resistant agent, meanwhile, the hydroxyl is cross-linked with the starch and the modified tackifier, and the water resistance is improved. A dual water-resistant structure is formed, and the purposes of formaldehyde-free environmental protection and performance enhancement are achieved.

A system for forming a blister package includes a thermoformable film and a lidding film. The thermoformable film has a thermoformable film exterior layer and a thermoformable film interior layer. The thermoformable film exterior layer includes at least 50% by weight polypropylene. The thermoformable film interior layer includes at least 50% by weight polypropylene and (a) a tackifier and / or (b) a cyclic olefin copolymer. The lidding film includes a lidding film exterior layer, a seal layer, and a lidding film interior layer between the lidding film exterior layer and the seal layer. The lidding film exterior layer includes at least 50% polypropylene. The lidding film interior layer includes at least 50% polypropylene and a tackifier. The seal layer includes a polyolefin plastomer.

The invention discloses a processing technology of high-durability colored asphalt concrete, belongs to the technical field of asphalt concrete, and aims to solve the technical problem that the color stability, rut resistance, water damage resistance and other properties of colored asphalt concrete in the prior art need to be further improved. The preparation method comprises the following steps: adding emulsified colored asphalt and a curing agent into a stirrer, stirring and mixing, adding coarse aggregate, fine aggregate and an auxiliary additive into the stirrer, raising the temperature of the stirrer to 90-100 DEG C, and stirring and mixing for 40-50 minutes to obtain the colored asphalt concrete. The emulsified colored asphalt is mixed with the filler, so that the stability of the colored asphalt concrete is effectively improved, and the color durability and stability of the colored asphalt concrete are also improved.

The invention relates to the technical field of medical products, in particular to a high-viscosity gel patch matrix and a preparation method, the high-viscosity gel patch matrix comprises the following raw materials: modified sodium polyacrylate, a film-forming agent, a penetration enhancer, a tackifier, a pH regulator, a humectant, a composite cross-linking agent and deionized water; the preparation method comprises the following steps: step a, dispersing modified sodium polyacrylate in deionized water to obtain a gel patch matrix skeleton liquid; step b, adding a film-forming agent, a penetration enhancer and a tackifier into the humectant to obtain a mixture A; and step c, adding the gel patch matrix skeleton liquid, the composite cross-linking agent and the pH regulator into the mixture A, magnetically stirring, and naturally cooling to obtain the high-viscosity gel patch matrix. The high-viscosity gel patch prepared by the invention is high in substrate viscosity, good in holding power and air permeability, good in antibacterial property and good in biocompatibility, can be repeatedly uncovered and pasted, and does not cause pain or damage skin when being uncovered and separated.

The invention discloses an environment-friendly water-based composite adhesive for transfer paper and a preparation method of the environment-friendly water-based composite adhesive. The environment-friendly water-based composite adhesive is prepared from the following raw materials in percentage by mass: 28-45% of methyl methacrylate; 30 to 40% of butyl acrylate; 0.3%-0.8% of an initiator; 2-4% of an emulsifier; 1-5% of butadiene; 0.5 to 1.5 percent of a tackifier; 0-0.15% of a reinforcing agent; 0.1 to 0.5 percent of a pH regulator; 0.05-0.25% of a defoaming agent and the balance of water; the preparation process comprises the following steps: S1, prepolymerizing butadiene; s2, preparing an acrylate emulsion; and S3, mixing and blending. The preparation method has the advantages that the butadiene, the tackifier and the reinforcing agent are used in the formula to regulate and control the adhesive force and the toughness of the adhesive film, the types of the acrylate monomers are reduced, and the defects that the regulation and control capability is limited, the variables are multiple and the parameters are difficult to consider simultaneously when the types and the contents of the acrylate soft and hard monomers are accurately controlled to regulate and control the parameters are overcome.

An adhesive composition may include at least about 2 wt. % and not greater than 49 wt. % of a (meth)acrylic based polymeric component A for a total weight of the adhesive composition, at least about 51 wt. % of a (meth)acrylic based polymeric component B for a total weight of the adhesive composition, and at least about 0.1 wt. % and not greater than about 30 wt. % of a tackifier component for a total weight of the adhesive composition. The (meth)acrylic based polymeric component A may have a glass transition temperature (Tg) of at least about 40° C. The (meth)acrylic based polymeric component B may have a glass transition temperature (Tg) of not greater than about 20° C. Further, the (meth)acrylic based polymeric component B may be acid-free.

The invention discloses an organic silicon pouring sealant. The organic silicon pouring sealant is prepared from a component A and a component B, the component A is prepared from vinyl silicone oil, a platinum catalyst, a plasticizer, a silane coupling agent and filler; the component B is prepared from vinyl silicone oil, hydrogen-containing silicone oil, filler, a tackifier, a silane coupling agent, an inhibitor, a flatting agent and a defoaming agent. The heat-conducting filler is matched with aluminum oxide with two particle sizes of 4 mu m and 8 mu m according to the mass ratio of 3: 7, and the optimal powder stacking density can be obtained by reasonably matching aluminum oxide with different particle sizes, namely the larger the contact area between powder is, the higher the heat conductivity of the material is, and the heat-conducting property of the pouring sealant can be improved; the aluminum hydroxide and the magnesium hydroxide are compounded into the flame-retardant filler according to the mass ratio of 1: 1, and the flame-retardant mechanism is mainly dehydration and heat absorption, so that the dosage of the flame-retardant filler can be reduced by compounding the aluminum hydroxide and the magnesium hydroxide according to the mass ratio of 1: 1, the density of the pouring sealant is reduced, and the flame-retardant effect can be effectively improved.

The invention discloses a supporting layer suitable for a composite current collector, a corresponding composite current collector and a battery. Wherein the supporting layer is formed by curing insulating adhesive liquid; the insulating adhesive liquid comprises a component A and a component B which are mixed, wherein the component A is at least one of polyurethane resin, acrylic resin, epoxy resin, polyester resin, polyimide, an organosilicon polymer and a modified compound thereof; the liquid B is at least one of amino resin, isocyanate, an aziridine cross-linking agent, carbodiimide, a silane coupling agent and an organic silicon tackifier; wherein the ratio of the component A to the component B is (90-99): (1-5). Compared with an existing supporting layer and an existing composite current collector, the viscous insulating layer structure can replace common PET, PP, PI and other types of base film middle supporting layer structures, the adhesive strength of the metal layer and the supporting layer is improved, and meanwhile additional hierarchical structures are avoided. And the production process is simplified, so that mass production is realized.

The invention relates to the technical field of biopolymer materials, in particular to temperature-resistant and salt-resistant welan gum based on cationic-hydrophobic synergistic modification as well as a preparation method and application of the temperature-resistant and salt-resistant welan gum. The preparation method comprises the following steps: dissolving welan gum powder in a system containing NaOH and DMSO, adding 3-chloro-2-hydroxypropyl trimethyl ammonium chloride and 1-bromohexadecane, adding ethanol, centrifuging to obtain a reaction solution, and finally centrifuging and freeze-drying the solid to obtain the welan gum. The salt-resistant and temperature-resistant tackifier can be used in oilfield exploitation, realizes dynamic salt-resistant and temperature-resistant tackifying in an extreme salt temperature environment, has higher viscosity, can maintain stable viscosity along with the increase of salt concentration, and is suitable for tertiary oil recovery of a high-salt stratum; the compound can be used as a seed coating agent, a soil conditioner, a pesticide slow-release carrier and a fertilizer synergist in agriculture; the product can be used as a thickening agent, a stabilizing agent and a gelling agent in the food industry; the product can be used as a humectant and a rheology modifier in the cosmetic industry; the product can be used as a cement additive in the field of building materials, and can be used in tile glue and putty powder.

The invention discloses a preparation method of a tackifying flame-retardant organic silicon pressure-sensitive adhesive, which comprises the following steps: carrying out hydrosilylation reaction between a vinyl trimethoxy silane coupling agent and methyl hydrogen-containing silicon resin to synthesize an organic silicon tackifier MQ-ETMS, and carrying out wet modification on aluminum diethylphosphinate by using an olefinic bond-containing silane coupling agent to prepare a flame retardant K-ADP. After the prepared organic silicon tackifier and the flame retardant are introduced into an organic silicon pressure-sensitive adhesive system, the high-performance organic silicon pressure-sensitive adhesive tape is prepared through blending, coating, solvent volatilization and heating crosslinking. The synthesized tackifier is rich in methoxyl functional groups, the functional groups enhance the interaction between the organic silicon pressure-sensitive adhesive and the surface of an adhered material, and meanwhile, the olefinic bond-containing silane coupling agent is utilized to perform surface modification on the aluminum diethylphosphinate, so that the problem of dispersion of a traditional flame retardant added into the organic silicon pressure-sensitive adhesive is solved; therefore, the adhesion performance and the flame retardant property of the organic silicon pressure-sensitive adhesive are both improved.

The invention discloses an ester group-containing organic silicon tackifier as well as a preparation method and application thereof. The preparation method of the ester group-containing organic silicon tackifier comprises the following steps: dissolving an itaconic acid compound and hydrogen-containing silicone oil in a solvent, uniformly stirring, adding a catalyst, heating to 25-100 DEG C, reacting, and distilling out the solvent under reduced pressure after the reaction is finished, thereby obtaining the ester group-containing organic silicon tackifier. The tackifier prepared by the invention can effectively improve the adhesion performance of addition type liquid silicone rubber (ALSR) to materials such as polyester fibers, stainless steel iron sheets and aluminum sheets. The additive amount is small, the silicone rubber solution has good compatibility with silicone rubber, and the formed silicone rubber solution is stable in property and long in storage life. In addition, the itaconic acid diester and the itaconic anhydride belong to renewable biomass materials, so that the cost is relatively low.

The invention relates to the technical field of high polymer materials and flame retardance, in particular to application of an efficient viscous compound material in oxygen barrier flame retardant materials, flame retardant polyolefin with hydroxyl is added into a high-shear twin-screw extruder, nano layered silicate and a reactive high polymer tackifier are sequentially added for reactive extrusion after melting, and the flame retardant polyolefin is obtained. And adding a micron-sized inorganic flame retardant and a carbon aid to the downstream of an extruder for blending, and finally cooling and pelletizing through an underwater pelletizing system to obtain the high-efficiency viscous compound material. According to the invention, a chemical bonding compatibilizing and toughening system is constructed through in-situ reaction of maleic anhydride grafted polypropylene and epoxy group functionalized SEBS, and complete stripping of nano-montmorillonite is realized by combining a step-by-step extrusion process, so that the problem that the mechanical property and flame retardance of a traditional high-filling flame-retardant material are difficult to consider at the same time is solved; the material has high limit oxygen index, high carbon residue rate and excellent tensile property, and the oxygen barrier layer is endowed with excellent mechanical toughness.

This invention discloses a high-transmittance insulating ink for back-contact batteries and its preparation method, belonging to the technical field of insulating inks. The insulating ink comprises the following components by mass percentage: 60%~64% base resin, 1%~2% thiol, 2%~4% tackifier, and 25%~30% diluent; wherein the base resin is a hydroxyl-terminated polyester-modified acrylate, the thiol is ethylene dithiol, the tackifier is at least one of terpene resin, C5 petroleum resin, and C9 petroleum resin, and the diluent is at least one of 1,4-butanediol diacrylate, pentaerythritol triacrylate, and dipropylene glycol diacrylate. This invention utilizes the reaction of the dithiol's dithiol group with the hydroxyl groups (-OH) or double bonds in the hydroxyl-terminated polyester-modified acrylate to form thioether bonds (-S-) or thioester bonds, constructing a three-dimensional cross-linked network, thereby significantly improving the hardness and transmittance of the cured resin system. The reasonable combination of tackifier and diluent allows the ink to achieve high adhesion while maintaining hardness.

In order to solve the problems that most of tackifiers added into existing solid crystal glue compositions are low-molecular-weight polysiloxane containing hydroxyl terminated and methoxyl terminated, bubbles are likely to occur in the curing process, and the solid crystal glue compositions are low in mechanical strength and insufficient in bonding performance, the invention provides a solid crystal glue composition. Comprising the following components in parts by weight: 30-100 parts of vinyl silicone resin, 10-35 parts of hydrogen-containing silicone oil, 1-10 parts of an organic silicon tackifier, 0.1-1.5 parts of an inhibitor and 0.1-1.5 parts of a catalyst, the organic silicon tackifier is a compound as shown in a structural formula 1, wherein the structural formula 1 is (R1R2R3SiO1 / 2) x (R4R5SiO2 / 2) y (R6SiO3 / 2) z; in the structural formula 1, 0 < x < 1, 0 < y < 1, 0 < z < 1, and 0 < x + y + z < 1; r1, R3 and R4 are selected from at least one of aryl and C1-C5 alkyl, and R2 is selected from C2-C8 alkenyl; r5 is selected from the group consisting of epoxy propoxy propyl; and R6 is selected from aryl. According to the solid crystal glue composition provided by the invention, the cross-linking density and the mechanical strength are improved, few bubbles are generated during curing, and the cold and hot impact resistance effect of the solid crystal glue composition is remarkably improved.