932 results about "Polybutadiene" patented technology

Disclosed herein are tire tread rubber compositions comprising a specified elastomer component, reinforcing silica filler, a specified hydrocarbon resin, liquid plasticizer, and a cure package. The elastomer component includes styrene-butadiene rubber and high cis linear polybutadiene. Use of the disclosed ingredients may result in a tire tread having particular properties, as discussed further herein.

The invention discloses a toughened epoxy resin and a curing method thereof, and relates to the technical field of epoxy resins, the toughened epoxy resin comprises the following components: 100 parts of an epoxy resin matrix, specifically a mixture of bisphenol A epoxy resin and alicyclic epoxy resin, 5-35 parts of a composite amine curing agent, and 5-20 parts of a nano toughening agent, in particular to core-shell rubber particles grafted with epoxy groups on the surfaces, the core layer of each core-shell rubber particle is cross-linked polybutadiene, the shell layer of each core-shell rubber particle is polymethyl methacrylate, 0.5-3 parts of an accelerant comprising a bi-component synergistic accelerant, 1-5 parts of an interface enhancer, and a mixture of gamma-glycidyl ether oxypropyl trimethoxy silane and a titanate coupling agent, a bisphenol A type epoxy resin and a specific proportion of alicyclic epoxy resin are combined to construct an epoxy resin matrix according to a mass ratio of 2: 1, the epoxy resin matrix is matched with a composite amine curing agent prepared by carrying out a special three-step reaction on long-chain polyether diamine, aromatic diamine and anhydride, and key parameters such as molecular weight, functionality and molar ratio of the components are accurately regulated and controlled.

The invention discloses a high-temperature-resistant epoxy insulating material for a transformer and a preparation method thereof, and belongs to the technical field of insulating materials. The high-temperature-resistant epoxy insulating material for the transformer is prepared from the following components in parts by weight: 50 to 60 parts of bisphenol A epoxy resin, 20 to 50 parts of anhydride curing agent, 10 to 20 parts of modified composite filler and 5 to 10 parts of epoxidized hydroxyl-terminated liquid polybutadiene, wherein the modified composite filler is a mixture of first boron nitride, second boron nitride and silicon nitride grafted with a silane coupling agent and dopamine, and the mass ratio of the first boron nitride to the second boron nitride to the silicon nitride is (1-2): (2-4): 1. The high-temperature-resistant epoxy insulating material for the transformer has excellent mechanical property, insulating property, heat-conducting property and high-temperature aging resistance.

The present invention relates to the technical field of regenerated plastics, and in particular relates to a flame-retardant regenerated plastic and a preparation method therefor. The regenerated plastic comprises the following specific components: 90-100 parts of regenerated high-density polyethylene, 5-10 parts of high-density polyethylene, 1-2 parts of calcium stearate, 1-2 parts of carbon black, 8-12 parts of maleic-anhydride-grafted polyethylene, 2-3 parts of an antioxidant, and 6-8 parts of a polyurethane elastomer. The regenerated high-density polyethylene is used as a main material, the high-density polyethylene is added thereto, the maleic-anhydride-grafted polyethylene is used as a compatibilizer, and then polyhydroxy polybutadiene, epoxidized hydroxyl-terminated polybutadiene and polypropylene oxide glycol are compounded and react with diphenylmethane diisocyanate to generate a polyurethane elastomer, thereby toughening the regenerated polyethylene; moreover, a flame-retardant effect is achieved by means of the synergy of phosphorus and nitrogen; therefore, a regenerated polyethylene plastic with high tensile strength and good flame-retardant performance is prepared. The regenerated plastic can be widely used in a plurality of fields, and has a relatively high level of practicability.

The invention relates to a special cable sheath material for trucks and a preparation method thereof, and belongs to the technical field of cable sheath materials, the special cable sheath material comprises the following raw materials: 40-55 parts of polyvinyl chloride, 15-20 parts of high vinyl polybutadiene rubber, 12-16 parts of a modified reinforcing material, 0.5-1.5 parts of a stabilizer, 1-3 parts of an anti-aging agent, 2-4 parts of a compatilizer and 4-8 parts of a filler; according to the technical scheme, the plant-based compound is combined with caffeic acid, epoxidation is performed, and the composite plasticizer is obtained; the composite plasticizer is combined with the silanized graphene oxide to obtain a reinforcing material; combining the reinforcing material with an amino compound to obtain a modified reinforcing material; mixing polyvinyl chloride, high vinyl polybutadiene rubber, the modified reinforcing material, a stabilizer, an anti-aging agent, a compatilizer and a filler, and performing extrusion granulation to obtain the special cable protective sleeve material for the truck. The mechanical property, the corrosion resistance and the aging resistance of the protective sleeve are integrally improved, and the environmental protection property is good.

The invention discloses a two-component heat-conducting epoxy pouring sealant resistant to cold and hot impact and a preparation method of the two-component heat-conducting epoxy pouring sealant resistant to cold and hot impact, and the two-component heat-conducting epoxy pouring sealant resistant to cold and hot impact comprises a component A and a component B, the component A is prepared from the following raw materials in parts by weight: 5 to 10 parts of epoxy resin, 1 to 5 parts of epoxy-terminated polybutadiene rubber, 1 to 5 parts of axle housing flexibilizer, 60 to 90 parts of filler, 0.1 to 0.5 part of dispersing agent, 0.1 to 0.5 part of anti-settling agent and 0.1 to 0.5 part of toner; the component B is prepared from the following raw materials in parts by weight: 10 to 20 parts of anhydride curing agent, 1 to 5 parts of accelerant, 60 to 90 parts of filler, 0.1 to 0.5 part of dispersing agent and 0.1 to 0.5 part of anti-settling agent. The axle housing toughening agent is mixed and matched with the epoxy-terminated polybutadiene rubber, and a special island structure is formed, so that the cold and hot impact resistance of the epoxy pouring sealant is greatly improved. The heat conductivity of the epoxy resin pouring sealant is improved, the heat dissipation performance is excellent, the hot and cold impact resistance can meet the pouring requirements of electronic product components, the loss is reduced, the energy is saved, and the service life is prolonged.

The invention relates to an epoxy core-shell polymer particle and resin, a preparation method of the epoxy core-shell polymer particle and resin and application of the epoxy core-shell polymer particle and resin to epoxy resin. The preparation method of the epoxy core-shell polymer particle comprises the following steps: heating and mixing a polybutadiene seed emulsion, a reducing agent, an emulsifier and the like; adding methyl methacrylate and an initiator, and glycidyl methacrylate and an initiator, and heating to react; compared with the prior art, the core-shell particle with the outer layer of the synthesized shell containing the epoxy group can be used for toughening the epoxy resin, so that the toughness of the epoxy resin is effectively improved while the excellent heat resistance and mechanical properties of the epoxy resin are maintained.

The invention provides a macromolecular agglomerant and a preparation method thereof. The high-molecular agglomerant takes 1, 3-butadiene as a main polymeric monomer and alpha, beta-unsaturated acid as a comonomer, and assistants comprise an emulsifier, an initiator and deionized water. The macromolecular agglomerant is used for further preparing large-particle-size polybutadiene latex and polyacrylate latex, the components are simple, introduction of more new monomers is reduced, the stability of the latex in the agglomeration process is improved, then ABS and ASA resin is prepared, the impact resistance and tensile property of the ABS and ASA resin are improved, and particularly the impact resistance under the low-temperature working condition is improved.

Golf balls having core formulations including polybutadiene, butyl rubber, or a blend thereof, and low surface coverage dimple patterns are disclosed. The combination of low surface coverage with particular rubber formulations helps to reduce the flight of the ball while also providing improved aerodynamic consistency and maintaining the appearance of a high-performance trajectory.

The present invention provides an electrolyte-resistant hot melt tape, which comprises a PET substrate and a rubber hot melt adhesive layer coated on its surface. The rubber hot melt adhesive layer comprises the following components in parts by weight: 60-160 parts of styrene-butadiene rubber, 10-40 parts of maleic anhydride-modified polyolefin, 1-5 parts of epoxy curing agent, 10-40 parts of hydroxyl-terminated liquid polybutadiene, 1-5 parts of polyisocyanate curing agent, and 20-60 parts of rosin tackifying resin. The rubber hot melt adhesive layer of the electrolyte-resistant hot melt tape is tightly compounded with the polar PET substrate. At the same time, the moderate cross-linking between the components of the rubber hot melt adhesive layer can reduce the infiltration of the electrolyte, so that the electrolyte-resistant hot melt tape has excellent bonding strength before and after being immersed in the electrolyte, does not bubble or delaminate, improves the passing rate of the battery drop test, meets the requirements of the lithium battery industry for tape products, and improves the battery safety factor.

The invention provides a thermosetting resin composition, a resin adhesive film and application thereof. The thermosetting resin composition comprises the following components in parts by mass: 5-95 parts of benzocyclobutene resin, 5-95 parts of a component containing C = C unsaturated bonds, 5-300 parts of a modified filler and 0.1-10 parts of an initiator, the modified filler is an inorganic filler subjected to surface treatment by a coupling agent containing unsaturated groups, and the unsaturated groups are selected from any one or a combination of at least two of styryl, acryloyloxy, methacryloyloxy and polybutadiene groups. A resin adhesive film prepared from the thermosetting resin composition is excellent in dielectric property, low in dielectric loss tangent Df, good in dielectric stability, small in Df (10GHz) variation amplitude after HAST, high in chemical copper binding force and capable of fully meeting the performance requirement for preparing a high-frequency and high-speed printed circuit board through a semi-addition method or an addition method.

The invention belongs to the field of UV glue, and relates to UV ink-jet glue as well as a preparation method and application thereof. The UV ink-jet glue contains an acrylate monomer, a hydrogenated polybutadiene modified acrylate oligomer, an anhydride modified acrylate oligomer, an adhesion promoter, a photoinitiator and an optional auxiliary agent, wherein the acrylate monomer at least contains an allyl hydrogen-containing acrylate monomer. The UV ink-jet glue provided by the invention is low in viscosity, can be applied to each position of a battery cell shell in an ink-jet manner, and after being irradiated and cured by a specific UV light source, double bonds in wet glue react, molecular chains capable of freely moving are mutually cross-linked and combined, the curing speed is high, the surface hardness is high, and the liquid glue is cured into a solid glue film; the adhesive film has extremely strong environmental aging resistance (salt mist resistance, heat and humidity resistance and the like) and electrolyte resistance effects, and can meet the application requirements of power batteries and energy storage batteries at the present stage.

The invention provides an ocean engineering anticorrosive coating and a preparation method thereof, and belongs to the technical field of coatings. The coating is prepared from the following raw materials: fluorocarbon resin, modified synthetic mica, modified basalt fibers, modified carbon nanotubes, nano silicon dioxide, nano zinc oxide, nano titanium dioxide, carbon fibers, zinc phosphate, hydroxyl-terminated polybutadiene, a plant extract, organic tin and the like. The modified synthetic mica and the modified carbon nanotubes are modified by adopting pentaerythritol stearate, cellulose nitrate and sodium hexametaphosphate; the modified basalt fiber is modified by adopting sodium stannate, polyvinyl alcohol and sodium hexametaphosphate; the plant extract is ethanol percolation extract of kandelia candel leaves and mangnolia officinalis leaves. All the components are used in a matched mode according to a certain proportion, and the advantages of being excellent in anti-corrosion performance, good in mechanical performance, excellent in anti-aging performance, environmentally friendly and the like are achieved.

The invention discloses a preparation method and application of ABS (Acrylonitrile Butadiene Styrene) grafted latex. The ABS grafted latex comprises polybutadiene latex, a comonomer, an emulsifier and an initiator. By controlling the type of the emulsifier, the stability of the MMA in the emulsion graft polymerization reaction process is improved, so that the production process of the ABS graft latex has better process continuity, the deslagging amount in the production process is obviously reduced, and when the transparent ABS resin is further prepared, the finished product has a lower haze level.

The invention belongs to the technical field of packaging materials, and discloses a high-temperature-resistant heat-seal straw-pluggable easy-to-tear cover and a preparation method thereof.The body comprises a PET layer, a blocking layer and a PE layer which are sequentially compounded from outside to inside, the blocking layer is an AL layer, laser invisible pre-scribed lines are arranged on the easy-to-tear cover, the laser invisible pre-scribed lines only penetrate through the PET layer and the blocking layer and do not penetrate through the PE layer, the thickness of the PET layer ranges from 12 micrometers to 20 micrometers, and the thickness of the PE layer ranges from 12 micrometers to 20 micrometers. The barrier layer is an AL layer, the thickness of the AL layer is 7-12 microns, the thickness of the PE layer is 40-60 microns, and the PET layer is prepared from the following raw materials in parts by weight: 80-95 parts of PET resin, 5-10 parts of composite modified nano silicon dioxide, 3-6 parts of a heat stabilizer and 0.5-2 parts of a lubricant; the composite modified nano silicon dioxide is maleic anhydride grafted polybutadiene composite modified nano silicon dioxide, and the composite modified nano silicon dioxide is uniformly dispersed in a PET matrix by virtue of good compatibility with PET resin, so that the overall toughness and heat sealability of the easy-to-tear cover are remarkably enhanced.

The present invention provides a resin composition, a circuit material comprising the same, and a printed circuit board, the resin composition comprising (A) a first thermosetting resin comprising a polybutadiene resin and / or a polybutadiene copolymer resin having a number average molecular weight Mn < = 5000 g / mol; (B) a second thermosetting resin comprising polybutadiene resin and / or polybutadiene copolymer resin, the number average molecular weight Mn being greater than or equal to 15000 g / mol; (C) a first filler comprising rutile type titanium dioxide with D50 of 3-6 [mu] m and purity of more than or equal to 99.5%; (D) a second filler comprising amorphous fused silica, having a D50 of 8-12 [mu] m and a purity of not less than 99.5%; (E) a flame retardant; (F) a silane coupling agent; and (G) a radical initiator. The circuit material prepared from the resin composition has the advantages of high dielectric constant, low dielectric loss, high copper foil peel strength, stable dielectric constant and good thickness consistency.

The invention discloses a two-component polyurethane pouring sealant as well as a preparation method and application thereof, and relates to the technical field of adhesives. The bi-component polyurethane pouring sealant comprises a component A and a component B, wherein the component A is prepared from 10 to 90 parts of acryloyloxy-terminated polyether polyol, 10 to 60 parts of polyester polyol, 10 to 20 parts of hydroxyl-terminated polybutadiene prepolymer and 1 to 2 parts of an initiator; and the component B comprises 30-70 parts of isocyanate and 5-20 parts of a catalyst. According to the technical scheme, the acrylic acid chain segment is added into the polyether polyol, so that the mechanical strength is favorably improved, and meanwhile, the light transmittance is also improved; by adding the polyolefin prepolymer, the air tightness is further enhanced, and meanwhile, the yellowing resistance is also improved. The bi-component polyurethane pouring sealant disclosed by the invention has good light transmission, high-temperature and high-humidity resistance, yellowing resistance and high-temperature and high-humidity resistance, and can be used for packaging MINI LED screens.

The invention belongs to the technical field of pipes, and particularly relates to a PP pipe and a preparation method thereof. The pipe is prepared from the following raw materials in parts by mass: 70-90 parts of polypropylene resin, 5-10 parts of modified aramid fiber, 2-5 parts of nano titanium dioxide, 1-5 parts of polybutadiene, 0.5-2 parts of an antioxidant, 0.5-1 part of a lubricant and 0.2-0.8 part of a coupling agent. The PP pipe prepared by the invention has excellent tensile strength, impact strength and other mechanical properties, and also has good thermal stability.

The invention relates to the technical field of layered materials, and discloses a low-temperature-resistant polyurethane transfer film and a preparation method thereof. The multi-layer structure heat transfer film with a glue layer and a polyurethane-based transfer layer is prepared, and a photo-curing transfer layer material containing polyurethane acrylate containing polyether, polybutadiene blocks and organic silicon branched chains with good low-temperature resistance and sulfhydrylation graphene oxide with excellent far infrared performance is prepared; the low temperature resistance and the water resistance of the heat transfer film are effectively improved.

The invention belongs to the technical field of RAP recycled asphalt mixtures, and particularly relates to a high-dosage RAP recycled asphalt mixture for alpine regions and a preparation method of the high-dosage RAP recycled asphalt mixture. The high-dosage RAP recycled asphalt mixture for the alpine region is characterized by comprising the following components in percentage by mass: 50-60% of RAP, 3-6% of mineral powder, 1-3% of new asphalt, 1-2% of a composite regenerant, 1-2% of a modifier and the balance of a new aggregate, the composite regenerant is composed of pine tar, plant-based epoxy ester oil, cashew nut shell oil and a penetrant. The modifier is prepared from regenerated low-density polyvinyl chloride, hyperbranched epoxy resin and liquid polybutadiene rubber coated waste rubber powder. According to the technical scheme provided by the invention, the technical problems of poor low-temperature performance, water stability and freeze-thaw cycle stability when a high-dosage RAP recycled asphalt mixture is used in an alpine region are solved.

The invention relates to the technical field of composite materials, and discloses a polyurethane composite material for a solar photovoltaic power generation frame and a bracket. The polyurethane composite material comprises the following raw materials: a compound flame retardant, an isocyanate monomer, a catalyst, a small molecule chain extender, a functional additive, talcum powder, dioctyl phthalate, zinc stearate, and an antioxidant 168; wherein the compound flame retardant is prepared by introducing nitrogen-phosphorus flame retardant elements into the structure of epoxy-terminated polybutadiene, and undergoing polycondensation reaction with the isocyanate monomer, so that the nitrogen-phosphorus flame retardant elements are introduced into the polyurethane main chain, thereby giving the polyurethane composite material excellent flame retardant performance; and the functional additive is prepared by chemically connecting polyethylene fibers with fullerenes, thereby improving the anti-ultraviolet performance of the polyurethane composite material and effectively extending its service life.

The invention discloses a copper-clad plate material containing elastomer resin and a preparation method of the copper-clad plate material, and belongs to the technical field of new materials. The method comprises the following steps: mixing a styrene-butadiene-styrene block copolymer with polybutadiene rubber, adding nano-montmorillonite, and carrying out intercalation modification through hexadecyl trimethyl ammonium bromide to prepare nano-modified elastomer resin; the preparation method comprises the following steps: mixing polybutylene terephthalate with nano silicon dioxide, and carrying out surface modification by gamma-aminopropyltriethoxysilane and hexamethyldisilazane to obtain a resin matrix; mixing the two phases, adding citric acid, and carrying out microwave heating and high-shear dispersion to obtain a discrete material; carrying out hot pressing on the dispersion, adding polyurethane and polylactic acid, uniformly mixing, adding polydimethylsiloxane and sodium dodecyl benzene sulfonate, and curing to obtain a cured product; and coating the surface of the cured product with a nano-copper layer. The material has the characteristics of high peel strength, low dielectric loss, low water absorption and low thermal expansion, and is suitable for the field of high-speed low-loss copper-clad plates.

The invention discloses a high-strength, low-temperature-resistant and aging-resistant polymer rubber material and a preparation method thereof in the technical field of rubber materials. The high-strength, low-temperature-resistant and aging-resistant polymer rubber material comprises the following components in parts by weight: 100-120 parts of a rubber matrix, 44-62.5 parts of an interface auxiliary agent, 8-15 parts of a vulcanization system, 4-5 parts of a protection system and 8-12 parts of a toughening agent. According to the invention, a multi-component synergistic system is constructed by the multifunctional reinforcer, amino-terminated polysiloxane, amino-terminated polybutadiene and epoxidized soybean oil, and meanwhile, a carbon black / Si-69 interface assistant and a protection / vulcanization system are optimized, so that the synergistic improvement of mechanical properties, low temperature resistance and aging resistance is achieved; the technical problems that traditional rubber is single, excellent in performance and unbalanced in comprehensive performance are solved.

The invention discloses polybutadiene latex, a preparation method thereof and transparent ABS (Acrylonitrile Butadiene Styrene) resin. In the preparation process of the polybutadiene latex, the emulsifier is additionally added at a relatively high conversion rate to promote the reaction to generate part of latex particles with small particle sizes. When the latex prepared by the method is used for further preparing the transparent ABS resin, since the latex with the particle size of 30-70nm has a rayleigh scattering effect to a certain extent, a small amount of blue light can be scattered, so that the yellow index of the resin is reduced, and the prepared transparent ABS has better hue.

The low-VOC modified melamine formaldehyde resin is prepared from the following components in parts by weight: 80 to 100 parts of melamine formaldehyde resin, 5 to 10 parts of hydroxyl-terminated hyperbranched polyester, 8 to 15 parts of epoxy-terminated polybutadiene, 1 to 3 parts of fumed silica, 5 to 15 parts of polyvinyl butyral, 0.1 to 0.2 part of a coupling agent, 1 to 3 parts of a catalyst and 2 to 5 parts of a cross-linking agent, the preparation method comprises the following steps: in a stirring state, adding hydroxyl-terminated hyperbranched polyester, epoxy-terminated polybutadiene, a polyvinyl butyral resin solution and coupling agent modified fumed silica into a melamino-formaldehyde resin solution, heating to 50-70 DEG C, and adding a catalyst and a cross-linking agent; the melamine modified resin prepared by the components and the preparation method has the characteristics of low formaldehyde volatilization, high toughness and durability.

The invention provides a flexible switching production method and equipment for low cis-polybutadiene rubber (LCBR), solution polymerized styrene-butadiene rubber (SSBR) and hydroxyl-terminated liquid polybutadiene rubber (HTPB), the flexible switching production equipment comprises an initiator production device and a polymerization unit, and the flexible switching production method comprises the following steps: mixing cyclohexane and n-hexane according to a volume ratio of 6.5: 3.5-7: 3, adding an initiator, and stirring to obtain a mixture; forming a mixed solvent; the method comprises the following steps: adding a monomer, an active agent, an initiator and a mixed solvent into a polymerization kettle 31 of a polymerization unit, and carrying out polymerization reaction to obtain a low-cis-polybutadiene, solution polymerized styrene-butadiene or hydroxyl-terminated liquid polybutadiene rubber solution; a novel protection initiator tert-butyl dimethyl siloxy propyl sodium is designed, and hydroxyl-terminated liquid polybutadiene rubber with a controllable structure is prepared through anionic living polymerization. According to the process, shutdown for kettle cleaning is not needed, the low cis-polybutadiene, the solution polymerized styrene-butadiene and the hydroxyl-terminated liquid polybutadiene rubber can be produced on the same polymerization device in a flexible switching manner, and the overall production efficiency is improved.

The application discloses a kind of solution polybutadiene rubber particle conveying devices, it is related to conveying technical field, including belt conveyor, and belt conveyor is provided with distributing device and discharging device, and discharging device is located above distributing device, discharging device can quantitatively release rubber particles, and the discharge port of discharging device is provided with multilayer mouth structure, and the outside of multilayer mouth structure is connected with multidirectional traction structure, the present application is quantitatively filled with rubber particles by discharging device and releases, and the released rubber particles are layered and buffered by multilayer mouth structure Release, avoid the direct impact of rubber particles on belt conveyor, resulting in ejection to outside, reduce the waste of rubber particles, and the width of internal communication of multilayer mouth structure is expanded by multidirectional traction structure traction, so that the width of internal communication of multilayer mouth structure is larger, so as to avoid the blockage of rubber particles on discharging device and multilayer mouth structure.

The invention discloses an ultraviolet curing adhesive and a preparation method thereof. The ultraviolet curing adhesive comprises the following components in parts by weight: 30-40 parts of aliphatic polyurethane acrylate, 50-60 parts of a reactive diluent, 3-5 parts of a photoinitiator, 0.3-1 part of an auxiliary initiator, 1-2 parts of a coupling agent and 3-5 parts of a thixotropic agent, wherein the auxiliary initiator comprises piperyl alcohol and derivatives thereof. According to the invention, the polybutadiene polyurethane acrylate is used as main body resin, so that the adhesive has better flexibility, lower water vapor transmission rate, better insulativity and better bending resistance. Common amine co-initiators such as EDB can be used for improving surface dryness, but yellowing is generated after curing, so that the curing depth is reduced, however, the amine-free piperonol and derivatives thereof are used for replacing the amine co-initiators, yellowing is avoided after curing while the surface dryness is improved, and the original curing depth is well maintained; and relatively good surface drying and curing depth can be achieved at the same time.

The invention relates to the technical field of composite materials, and discloses a PVC composite material with an antibacterial function and a preparation method thereof.The composite material is prepared by taking polyvinyl chloride as a base material and a bamboo fiber modified material and the like as auxiliary materials through mixing and extrusion granulation processes. Wherein the bamboo fiber modified material is prepared by simultaneously modifying a quaternary ammonium salt cationic antibacterial agent and macromolecular polybutadiene on the surface of bamboo fiber, and the bamboo fiber exists in the composite material in a physical core manner, so that the polyvinyl chloride can be reinforced and toughened; the existence of the quaternary ammonium salt cationic antibacterial agent can endow the composite material with good antibacterial performance, and the bamboo fibers are limited in a cross-linked network, so that a confinement effect can be generated on the antibacterial agent, the problems of migration, precipitation and the like of the antibacterial agent can be avoided, and the long-acting antibacterial performance of the composite material is guaranteed.

The invention provides a soap-free high-molecular agglomerant as well as a preparation method and application thereof. The soap-free high-molecular agglomerant contains an oligomer, the molecular structure of the oligomer contains a hydrophilic group and an oleophylic group; the weight-average molecular weight of the oligomer is 300 to 5000; the hydrophilic group comprises an amide group and / or carboxyl. According to the invention, the soap-free high-molecular agglomerant has a good agglomeration effect, large-particle-size polybutadiene latex can be obtained through agglomeration, and the high-molecular agglomerant does not contain an emulsifier, so that the introduction of excessive emulsifier in the preparation process of an ABS graft polymer is avoided; the ABS latex coagulation efficiency is improved, the impact resistance of the ABS resin is improved, and the yellow index of the ABS resin is reduced.