167 results about "Brominated flame retardant" patented technology

The invention relates to the technical field of PBT materials, and discloses a novel environment-friendly flame-retardant reinforced high glowing filament PBT material. The raw materials comprise the following components in percentage by weight: 23-44.8% of PBT resin, 0-15% of PET resin, 2-10% of a flexibilizer, 8-12% of a brominated flame retardant, 1.5-3% of a synergistic flame retardant, 6-11% of melamine cyanurate, 2-6% of a phosphorus environment-friendly flame retardant, 0.3-3% of a glowing filament synergist, 0.2-1% of an antioxidant, 0.2-1% of a lubricant and 15-35% of glass fibers. According to the novel environment-friendly flame-retardant reinforced high glowing filament PBT material and the preparation method thereof, the PBT material is high in mechanical property and good in fireproof performance, can meet the market requirement that glowing filaments at 750 DEG C and higher grade at 850 DEG C are not ignited in the whole process, meets the latest environment-friendly control requirement on the market, and is wide in market application prospect.

The flame-retardant ABS composition is prepared from the following components in parts by weight: 70 to 80 parts of ABS resin; 16 to 20 parts of brominated flame retardant; 3-5 parts of an aluminum phosphate flame retardant; and 1-2 parts of a guanidine phosphate flame retardant. Through compounding of the brominated flame retardant, the aluminum phosphate flame retardant and the guanidine phosphate flame retardant, 1.5 mmV-0 flame retardance can be achieved on the premise that antimony trioxide is not added, and the flame retardant has the advantages of being high in melt fluidity, low in density and good in toughness and is suitable for preparing light-weight vehicle-mounted parts.

The invention belongs to the technical field of high polymer materials, and relates to a 5VA high-flame-retardancy ABS (Acrylonitrile Butadiene Styrene) resin composition and a preparation method thereof, and the resin comprises the following components in parts by weight: 65-75 parts of ABS resin; 3-8 parts of chlorinated polyethylene; 15-20 parts of an aromatic brominated flame retardant; 3-6 parts of an antimony flame retardant synergist; 3 to 6 parts of nano charring master batch and 0.1 to 0.5 part of anti-dripping agent; 0.2 to 0.5 part of an antioxidant; 0.5 to 1.0 part of light stabilizer; 0.5 to 1.0 part of lubricant; the preparation method comprises the following steps: stirring and fully mixing the raw materials in a high-speed mixer, conveying, shearing and mixing by a double-screw extruder on a screw, melting, compounding, homogenizing, drawing, cooling and pelletizing to obtain the 5VA high-flame-retardant ABS resin composition. Compared with the prior art, the invention solves the problems of poor flame retardance and low impact property of flame-retardant ABS resin thin-wall 5VA, is suitable for meeting the requirement of high flame retardance of 5VA, and is also suitable for application occasions of flame-retardant S.2 needle flame combustion standards.

The invention provides ultralow-viscosity brominated cardanol as well as a preparation method and application thereof, and belongs to the technical field of macromolecular flame-retardant materials. The technical problem that most existing brominated flame retardants are powder or high-viscosity liquid and cannot meet the requirement of spraying construction for low viscosity is solved. The ultralow-viscosity brominated cardanol has a structure as shown in the following formula (1): # imgabs0 #, wherein R is alkyl or halogenated alkyl; r1 is a bromine-containing cardanol carbon pentadecyl side chain; x is any real number from 1 to 3; the preparation method comprises the following steps: S1, dissolving cardanol in an organic solvent I, adding a bromine-containing solution, after complete reaction, washing an organic phase with water, separating liquid to remove water, and distilling out the organic solvent I under reduced pressure to obtain a brominated intermediate; and S2, dissolving the brominated intermediate in an organic solvent II, adding an anhydride substance, completely reacting in the presence of a catalyst, washing an organic phase with water, separating liquid to remove water, and distilling out the organic solvent II under reduced pressure to obtain the ultralow-viscosity brominated cardanol.

The invention discloses a flame-retardant reinforced polycarbonate composite material and a preparation method thereof, and belongs to the technical field of polycarbonate composites.The flame-retardant reinforced polycarbonate composite material comprises 70%-90% of polycarbonate resin, the polycarbonate resin is aromatic polycarbonate with the viscosity average molecular weight ranging from 20000 to 35000; the glass fiber is alkali-free chopped E glass fiber, and the surface of the glass fiber is treated by an amino silane coupling agent; the flame retardant comprises 5-15% of a phosphorus-nitrogen-silicon composite flame retardant, the composite flame retardant is a synergistic system formed by physically premixing a phosphate ester compound, a nitrogen charring agent and a silicone polymer, and the phosphate ester compound plays a role in gas-phase flame retardance and partial condensed-phase flame retardance during combustion. By adopting a phosphorus-nitrogen-silicon composite flame-retardant synergistic system, high flame-retardant efficiency is realized under the condition of low additive amount, the halogen-free and environment-friendly effects are realized, and the environmental and health hidden dangers of the traditional brominated flame retardant are overcome.

The invention relates to a polyester composition as well as a preparation method and application thereof, and the polyester composition comprises the following components in parts by weight: 40-60 parts of polyester resin, 5-20 parts of a brominated flame retardant, 0.5-5 parts of a synergistic flame retardant, 0.1-15 parts of polysulfone, 0.05-5 parts of talcum powder and 15-40 parts of a reinforcing material, the polyester composition does not contain PFAS substances. On the basis of retaining a brominated flame-retardant system, polysulfone and talcum powder are combined with the brominated flame-retardant system, so that the flame-retardant property of the material under a thin wall is obviously improved under the condition of not using PFAS substances, and the application prospect of the polyester material is expanded.

The invention discloses a polyamide composite material as well as a preparation method and application thereof, and relates to the technical field of high polymer materials. The invention provides a polyamide composite material. The polyamide composite material comprises the following components in parts by weight: 30-60 parts of polyamide resin, 12-32 parts of a brominated flame retardant, 4-12 parts of organic phosphinate, 0.1-1 part of a zirconium compound, 0-50 parts of glass fibers, 0-3 parts of an antioxidant and 0-3 parts of a lubricant, and the particle size D50 of the zirconium compound is 0.08-2 [mu] m. According to the antimony-free halogen-containing flame-retardant polyamide composite material provided by the invention, a traditional bromine-antimony flame-retardant system is synergistically replaced by the organic phosphinate and the zirconium compound, and the prepared polyamide composite material has excellent mechanical properties, flame retardance and thermal decomposition stability.

Disclosed in the present invention are a PBT composition, a preparation method therefor, and a use thereof. The PBT composition comprises the following components in parts by weight: 45-55 parts of a PBT resin, 1.5-6 parts of an SAN resin, 1.5-4 parts of a toughening agent, 8-12 parts of a brominated flame retardant, 1.5-3 parts of a flame-retardant synergist, and 0.25-2 parts of a silicone lubricant. By means of the synergistic effect of the SAN resin and the silicone lubricant, the rate of carbon formation when an electrolyte drips onto the material surface can be greatly reduced, so that the prepared PBT composition has relatively high CTI and relatively good mechanical properties and flame retardant properties.

The invention discloses a brominated flame-retardant polyamide composition capable of improving air trapping. The brominated flame-retardant polyamide composition comprises the following components in percentage by mass: 30.0-80.0 wt% of aliphatic polyamide; 10 to 30.0 wt% of a brominated flame retardant; 3.0 to 10.0 wt% of a flame retardant synergist; 0.3 to 5.0 wt% of aromatic zinc carboxylate; or also comprises the following components: 5.0-50.0 wt% of a reinforcing agent; the sum of all the components is 100 wt%, and the composite material is prepared by melt blending and processing through a single-screw or double-screw extruder. According to the brominated flame-retardant polyamide composition disclosed by the invention, the defect that the fire resistance of a thermoplastic composition is influenced by an acid remover and zinc oxide is avoided by utilizing the aromatic zinc carboxylate, the air trapping phenomenon can be obviously improved, and the brominated flame-retardant polyamide composition has stable flame retardance and excellent mechanical property.

The invention discloses a flame-retardant polycarbonate composite material which comprises the following components in parts by weight: 80-90 parts of polycarbonate; 5-12 parts of a brominated flame retardant; 0.2 to 2 parts of an anthraquinone compound; 0.5-3 parts of an IPT functional filler; the IPT functional filler is selected from at least one of kaolin, titanium dioxide and quartz. The flame-retardant polycarbonate composite material has the advantages that the flame-retardant performance is 1.5 mmV-0, 1.0 mm is larger than or equal to V-1, and the IPT is larger than 1.5 KV.

The invention relates to the technical field of high polymer materials, and discloses a polyethylene flame-retardant master batch as well as a preparation method and application thereof. The polyethylene flame-retardant master batch is prepared from the following raw materials in parts by mass: 25-35 parts of polyethylene resin, 60-70 parts of a flame retardant, 3-5 parts of an antioxidant, 3-5 parts of an anti-UV agent and 3-5 parts of a lubricant, the flame retardant comprises a brominated flame retardant and an antimony flame retardant; the antioxidant comprises a phosphite ester antioxidant and a hindered phenol antioxidant; the anti-UV agent comprises an ultraviolet light absorber and a hindered amine ultraviolet light stabilizer. The polyethylene flame-retardant master batch provided by the invention is good in flame retardance, good in weather resistance, excellent in processability and simple in preparation method, and can meet the application requirements of chemical engineering, agriculture, buildings, packaging or outdoor shielding articles such as tents, awnings and the like.

In one aspect, the present disclosure relates to a flame retardant plastic composition comprising a polymer component and a brominated flame retardant (BrFR), where the BrFR comprises one or more particles at least partially encapsulated by a thermoplastic toughening agent. In some aspects, the encapsulation can take the form of a core-shell structure wherein the shell has an average thickness of about 5 nm to 10 [mu] m. The thermoplastic toughening agent can be selected from the group consisting of styrenic block copolymers, thermoplastic polyurethanes, nitrile rubbers, acrylic elastomers, copolyester elastomers, thermoplastic polyether ester elastomers, thermoplastic amide ether elastomers, chlorinated rubbers, ionomers, thermoplastic vulcanizates, and combinations thereof. The flame-retardant plastic composition additionally comprises a filler and / or a compatibilizer. A method for preparing the flame retardant plastic composition and articles made from the composition are also disclosed.

The invention provides a brominated flame-retardant polybutylene terephthalate composite material and a preparation method thereof. The brominated flame-retardant polybutylene terephthalate composite material is prepared from the following components in parts by weight: 27 to 58 parts of polybutylene terephthalate resin, 1 to 15 parts of polyether sulfone resin, 13 to 42 parts of a reinforcing agent, 10 to 20 parts of a brominated flame retardant and 2 to 8 parts of a flame-retardant synergist, the polyarylether sulfone resin is selected from polyphenyl sulfone and / or polyethersulfone. According to the brominated flame-retardant polybutylene terephthalate composite material and the preparation method thereof, the specific composition of the brominated flame-retardant polybutylene terephthalate composite material is designed, and the brominated flame-retardant polybutylene terephthalate composite material with excellent comprehensive performance is prepared through the matching effect of the specific polyether sulphone resin and other components; under the conditions of high temperature and high humidity, the mechanical strength retention rate is relatively high, the shrinkage rate is small, and meanwhile, the flame retardance and the tensile property are relatively high.

The invention discloses a battery diaphragm with a flame-retardant composite interface layer and a preparation method of the battery diaphragm, and belongs to the technical field of electrical materials. Mixing the ground brominated flame retardant, flame retardant additive, binder and organic solvent to obtain diaphragm slurry; and coating or rolling the diaphragm slurry to form a film to obtain the corresponding battery diaphragm, or coating the slurry on a commercial base film to obtain the battery diaphragm. The battery diaphragm is coated with the flame retardant, so that the thermal safety performance of the battery is remarkably improved, and the fire risk is effectively reduced. The heat dissipation efficiency of the battery is improved; and meanwhile, the fire hazard during thermal runaway is reduced due to the quick self-extinguishing characteristic. Meanwhile, good electrochemical stability is kept, the specific discharge capacity and reversibility of the battery are improved, and the performance and use safety of the battery are enhanced.

The invention relates to the technical field of polyester composite materials, in particular to a reinforced flame-retardant polyester composite material for a baking all-in-one machine shell and a preparation method of the reinforced flame-retardant polyester composite material for the baking all-in-one machine shell. The polybutylene terephthalate and the polybutylene terephthalate cooperate to obtain higher heat deformation temperature, heat resistance and high strength, and the polybutylene terephthalate has better fatigue resistance and dimensional stability and smaller creep deformation; the graft modified thermoplastic polyester elastomer is added, the special thermosensitive hydrophobicity of the graft modified thermoplastic polyester elastomer and the toughening property of the thermoplastic polyester elastomer are utilized, and the graft modified thermoplastic polyester elastomer, the toughening agent and the antioxidant have a synergistic effect, so that the hydrolysis resistance, the high-temperature and high-humidity resistance, the weather resistance, the high-low temperature impact toughness and the low shrinkage rate of the polyester composite material are improved; the added brominated flame retardant and halogen-free flame retardant have a synergistic flame retardant effect, so that the flame retardant requirement of the material can be met; the glass fibers have hydrolysis-resistant and low-warping effects, low shrinkage can promote the structure flatness of the product, and the glass fibers are particularly suitable for producing the baking all-in-one machine shell.

The invention belongs to the technical field of brominated flame retardant synthesis, and particularly provides a decabromodiphenyl ethane bromine distillation process chlorination bromine removal process, which comprises the following steps: S1, adding bromine into a reaction kettle, adding a catalyst, and mixing; cooling and dropwise adding molten diphenylethane; then heating, carrying out a heat preservation reaction, and cooling to obtain a brominated crude product; s2, S201, adding the brominated crude product obtained in S1 into a bromine steaming kettle, and heating; s202, chlorine is introduced, and the total amount of bromine and chlorine is detected; carrying out segmented control on the introduced chlorine according to the total amount of bromine and chlorine; s203, when the total amount of bromine and chlorine is reduced to a threshold value, stopping introducing chlorine, standing, cooling, and introducing nitrogen; s3, filtering the feed liquid in the bromine steaming kettle, washing and purifying for three times, and finally, centrifugally dewatering to obtain a faint yellow solid; and S4, adding the faint yellow solid into a high-temperature jet mill, performing high-temperature aging to obtain white powder, and then performing jet milling on the white powder to obtain a finished product. Physical distillation is replaced by chemical replacement, so that bromine is highly separated.

The invention provides a flame-retardant ABS (Acrylonitrile Butadiene Styrene) composition as well as a preparation method and application thereof, and the flame-retardant ABS composition comprises the following components in parts by weight: 66-80 parts of ABS resin; 13-21 parts of a brominated flame retardant; 4-11 parts of an aluminum phosphate flame retardant; and 0.5 to 4 parts of oxide. According to the flame-retardant ABS composition disclosed by the invention, the flame-retardant ABS composition can achieve an excellent flame-retardant effect under the condition that the addition amount of the flame retardant is relatively low, and the light transmittance is relatively high.

The invention relates to the technical field of powder coatings, and provides an insulating powder coating and a preparation method thereof. The insulating powder coating comprises the following raw materials in parts by weight: 82-96 parts of epoxy resin, 5-8 parts of phenolic resin, 12-18 parts of silica powder, 10-15 parts of modified nano aluminum oxide, 3-9 parts of a flame retardant and 0.5-1 part of a flatting agent. Wherein the modified nano aluminum oxide and the silica powder can remarkably improve the breakdown voltage, the arc resistance and the insulativity of the coating; the flame retardant can improve the flame retardance and chemical resistance of the coating, is a halogen-free flame-retardant system, avoids the toxicity problem of the traditional brominated flame retardant, and improves the environmental protection property; in conclusion, the flame-retardant insulating powder coating overcomes the defects of the traditional insulating powder coating in flame retardance, chemical resistance and environmental protection, and has important application value in high-end power electronic equipment.

This invention discloses a flame-retardant PBT composite material, comprising the following components by weight: 40-73 parts PBT; 0.8-3.2 parts alkali lignin; 13-18 parts brominated flame retardant; 3-5 parts antimony trioxide; and 0.5-1 parts pentaerythritol. The weight-average molecular weight of the alkali lignin is 3000-10000. By selecting alkali lignin and pentaerythritol with specific molecular weights and using antimony trioxide as a laser color developer, this invention can effectively improve the laser marking defects of PBT composite materials modified with brominated flame retardants and has the advantage of thin-walled flame retardancy.

Provided is a polyamide resin composition containing (A) a polyamide having a melting point of 280 DEG C or higher, (B) a brominated flame retardant, (C) an inorganic filler, and (D) a colorant, the polyamide (A) containing dicarboxylic acid units and diamine units, 50-100 mol% of the diamine units being aliphatic diamine units having 4-18 carbon atoms, the colorant (D) is at least one of an organic colorant and an inorganic colorant, and R1 represented by a specific formula (1) is less than 50.

The present invention provides a non-aqueous electrolyte solution for a lithium battery, comprising one or more brominated flame retardants. The non-aqueous electrolyte solution comprises a) a liquid electrolyte medium; b) a lithium-containing salt; and c) at least one brominated flame retardant. The brominated flame retardant is present in the electrolyte solution in a flame-retarding amount.

This invention belongs to the field of polymer materials technology, and specifically relates to a high glow wire and high limiting oxygen index flame-retardant ABS material, its preparation method, and its application. The flame-retardant ABS material comprises the following raw materials in the indicated mass percentages: 55%–80% ABS resin, 5%–16% brominated flame retardant, 2%–6% synergistic flame retardant, 2%–10% magnesium salt whiskers, 4%–10% water-washed montmorillonite, and processing aids; the synergistic flame retardant includes zinc stannate. The flame-retardant ABS material of this invention exhibits high glow wire and high limiting oxygen index.

The invention relates to a flame retardant composition and a macromolecular brominated flame retardant composition used in wires and / or cables. The brominated flame retardant contains aromatic bound bromine, and in several embodiments is considered as a brominated styrenic polymer. The brominated flame retardant has a weight average molecular weight (Mw) of about 650 to about 75,000 and a bromine content of about 60 wt% or more. The invention also relates to a process for forming a flame retardant composition using different curing methods, including but not limited to electron beam curing and peroxide curing.

The invention belongs to the field of polyolefin foaming materials, and particularly relates to a flame-retardant chemical crosslinking polyolefin foaming material with high foaming ratio. According to the chemical cross-linked polyolefin foaming material provided by the invention, the brominated flame retardant and the antimony trioxide / wollastonite composite powder with proper parameters are added as flame retardants, the proportion of the brominated flame retardant and the antimony trioxide / wollastonite composite powder is regulated and controlled, and meanwhile, the brominated flame retardant and the antimony trioxide / wollastonite composite powder cooperate with other components such as the assistant cross-linking agent and the antioxidant; the polyolefin foaming material with smooth appearance, high foaming ratio and excellent flame retardant property can be prepared, the residual amount of the foaming agent azodicarbonamide does not exceed the standard, and the requirement is met.

The invention discloses an antimony-free bromine flame-retardant nylon composite material and a preparation method thereof. The antimony-free bromine flame-retardant nylon composite material is prepared from 48 to 60 parts of PA (Polyamide) resin, 10 to 30 parts of chopped glass fiber, 10 to 20 parts of brominated polystyrene (BPS), 5 to 10 parts of a modified organic aluminum phosphonate flame retardant, 1 to 4 parts of zinc tungstate, 0.2 to 0.7 part of an antioxidant and 0.3 to 0.8 part of a lubricant. Wherein the modified organic aluminum phosphonate flame retardant is an organic aluminum phosphonate flame retardant which is subjected to hyperbranched polymerization coating modification by adopting phytic acid and polyhydric alcohol amine. The modified organic phosphine flame retardant / zinc tungstate and BPS are in efficient synergism, a Sb2O3 flame-retardant synergist is completely replaced, the excellent flame retardant performance, CTI performance and GWIT performance are achieved, generation of antimony tribromide during processing and combustion is avoided, and the composite material can achieve the flame-retardant effect the same as that of a bromine-antimony flame-retardant system and has good comprehensive performance.

The application provides a method for simultaneously detecting the content of 16 new types of brominated flame retardants in human serum, and the specific steps are as follows: S1: preparing a mixed standard solution; S2: preparing an internal standard solution; S3: drawing a standard working curve; S4: sample pretreatment: taking dichloromethane in a glass test tube, adding the internal standard solution, and blowing with nitrogen in a 40 DEG C water bath until nearly dry, then adding fetal bovine serum and pure water, and vortexing to mix; the mixed solution of dichloromethane and acetonitrile is used to form an emulsion with the sample, and after sufficient extraction of the emulsion by using a dispersing agent and an extracting agent, centrifugation is carried out at room temperature; finally, the organic precipitate phase is taken and filtered through a filter membrane to be transferred to a sample injection vial with a glass lining tube, and is left for machine detection; S5: detection and result analysis: a gas chromatograph-tandem triple quadrupole mass spectrometer is used for detecting and analyzing the content of the new types of brominated flame retardants. The method has the advantages of simple pretreatment, high sensitivity and strong practicability, and can be used for routine biological monitoring of NBFRs in the human population.

The present invention discloses a flame-retardant ABS composite material comprising the following components, by weight: 67-80 parts ABS resin, 3-6 parts low-molecular-weight SAN resin, 13-16 parts brominated flame retardant, 3-5 parts antimony trioxide, 1-2 parts ester additive, and 1-2 parts PLA resin. The present invention utilizes the ester additive to reduce friction between ABS molecules, improve lubricity between ABS molecules, and enhance internal lubricity. The synergistic effect of the three enhances the weld mark tensile strength of the flame-retardant ABS while maintaining excellent mechanical toughness and overall performance.

Provided are a resin composition capable of enhancing flame retardancy of various thermoplastic resins and imparting excellent heat resistance thereto, and a foamable resin composition suitable for obtaining an extruded foam molded body having high flame retardancy and excellent heat resistance.　A resin composition according to the present invention contains a thermoplastic resin, a bromine-based flame retardant, and an organic phosphonic acid. A foamable resin composition according to the present invention contains the resin composition and a foaming agent. The foamable resin composition according to the present invention makes it possible to obtain an extruded foam molded body having excellent flame retardancy.

The invention relates to the technical field of high-temperature-resistant polyester composite materials, in particular to a high-temperature-resistant polyester composite material and a preparation method thereof.The high-temperature-resistant polyester composite material is prepared from polyester resin, a brominated flame retardant, a synergistic flame retardant, an antioxidant A, a lubricant A, irradiation master batches and glass fibers. The irradiation master batch promotes the cross-linking reaction of the polyester resin to form a three-dimensional network structure; the glass fiber is used as a reinforcing material and has a synergistic effect with the irradiation master batch, so that the mechanical strength, the heat resistance and the dimensional stability of the polyester composite material are remarkably improved, the sliding of a polyester molecular chain is limited, the thermal deformation is reduced, and the thermal deformation temperature of the polyester composite material is jointly improved. After being subjected to special irradiation treatment, the material has higher heat deformation temperature and lower melt flowability, can bear an SMT process without deformation, bubbling or collapse, has remarkable long-term heat resistance, and can bear continuous high temperature without softening deformation.

The invention relates to the field of flame-retardant materials, in particular to an environment-friendly brominated flame-retardant ASA material and a preparation method thereof. The material comprises the following components in parts by weight: 100 parts of an ASA resin matrix, 8-12 parts of a brominated flame retardant, 2-8 parts of a synergistic flame retardant, 1-5 parts of a reinforcing agent, 0.2-0.6 part of an antioxidant, 0.5-1 part of an ultraviolet light absorber, 0.2-0.5 part of a light stabilizer and 1-2 parts of a lubricant. Compared with a traditional brominated flame retardant system, the synergistic flame retardant PODA-TA prepared by the preparation method disclosed by the invention can also realize an excellent flame retardant effect without adding high bromine. The synergistic flame retardant PODA-TA can replace traditional antimony trioxide to serve as a more efficient synergistic agent, the bromine consumption is reduced by 40% or above, and meanwhile the precipitation resistance and weather resistance can be greatly improved.