284 results about "Adipate" patented technology

The invention discloses a silane-crosslinked low-smoke halogen-free flame-retardant oil-resistant polyolefin cable material and a preparation method thereof. The method comprises the following steps: preparing a bio-based polyesteramide toughening phase which is pre-polymerized by castor oil-based polyamide and poly (butylene adipate-co-terephthalate) and is terminated by itaconic anhydride; the preparation method comprises the following steps: self-assembling phytic acid and melamine to wrap ammonium polyphosphate, so as to prepare supramolecular flame-retardant gel powder; the method comprises the following steps: grafting aramid pulp fibers by using a phosphorus-containing silane coupling agent to prepare a reactive liquid crystal reinforced phase; the preparation method comprises the following steps: blending and banburying the components with a hydrogenated styrene-isoprene-styrene block copolymer, an antioxidant and a peroxide cross-linking agent, carrying out dynamic vulcanization and interface bonding, and carrying out extrusion and electron beam irradiation to finally crosslink. An interpenetrating-topology network structure is formed in the prepared cable material, the crosslinking degree is larger than or equal to 82%, and the cable material is rapid in crosslinking, excellent in oil resistance, low in smoke and free of toxicity and is particularly suitable for super high-rise building hanging cables, deep sea exploration cables and new energy automobile liquid cooling cables.

The application belongs to the technical field of plastics, and particularly relates to a degradable antibacterial plastic packaging bag and a preparation method thereof. The degradable antibacterial plastic packaging bag comprises the following raw materials in parts by weight: polycaprolactone 70-90 parts; polybutylene adipate terephthalate 20-40 parts; Cr and Cu co-modified ZIF-8 5-20 parts; and cerium oxide tannic acid material 2-6 parts. The Cr and Cu co-modified ZIF-8 synergistically improves the antibacterial performance of the packaging bag, and the addition of the cerium oxide tannic acid material further improves the antibacterial performance of the packaging bag. Moreover, the degradable antibacterial plastic packaging bag prepared by the application has excellent mechanical properties.

The invention discloses a jacquard vamp material based on bio-based degradable polylactic acid (PLA) and a preparation method thereof, and relates to the technical field of shoe materials. The jacquard vamp material is of a three-layer jacquard structure formed by integrally weaving PLA composite filaments through a jacquard warp knitting machine. The PLA composite filament is prepared from the following raw materials in parts by weight: 80-95 parts of polylactic acid (PLA) slices, 5-15 parts of poly (butylene adipate / terephthalate) (PBAT), 3-8 parts of a flexibilizer, 1-3 parts of a compatilizer, 0.5-2 parts of an anti-hydrolysis agent and 0.5-1.5 parts of a lubricant. According to the invention, the bio-based PLA is used as a main raw material and is matched with degradable auxiliaries such as PBAT, so that the whole vamp material can be completely biodegraded under a composting condition, the problem of environmental pollution of a traditional vamp is fundamentally solved, and meanwhile, through blending modification of PBAT and the flexibilizer, the flexibility and impact resistance of the PLA material are remarkably improved, and the vamp material has good application prospects. The requirements of the vamp material on softness, wear resistance and durability can be met.

The invention relates to the technical field of biodegradable high polymer materials, in particular to a tear-resistant high-barrier biodegradable mulching film and a preparation method thereof, and the tear-resistant high-barrier biodegradable mulching film is prepared from the following raw materials in parts by weight: 60-90 parts of poly (butylene adipate-co-terephthalate); 10 to 40 parts of poly (propylene carbonate); 0.5-5 parts of a plasticizer; 0.05 to 0.3 part of a cross-linking agent; 0.1 to 10 parts of talcum powder; 0.1 to 2 parts of a lubricant; 0.1-1 part of an anti-blocking agent; 0.1 to 1 part of an antioxidant; 0.1 to 1 part of an anti-ultraviolet agent; 0.1-1 part of a light stabilizer; 0.1 to 1 part of an anti-hydrolysis agent; 0.1-1 part of a nucleating agent; the plasticizer is poly (1, 2-propylene glycol adipate); and the cross-linking agent is 1, 4-bis (tert-butylperoxy) diisopropyl benzene. The film has good mechanical properties and water vapor transmission amount, can be completely biodegraded, and has good aging resistance.

The invention provides a composite packaging film and a preparation method thereof, and belongs to the technical field of packaging films. The composite packaging film comprises the following raw materials: poly (butylene adipate-terephthalate), polylactic acid, a maleic anhydride grafted PS copolymer and a chain extender, wherein the addition amount of the maleic anhydride grafted PS copolymer accounts for 1-5% of the total mass of the poly (butylene adipate-terephthalate) and polylactic acid. According to the invention, inorganic filler does not need to be added, and the chain extender ADR4370S and the compatilizer PS-MA are added to form a synergistic regulation mechanism in a melt blending process: the chain extender acts on a molecular chain layer to improve the length of the molecular chain and the rheological behavior of a melt; the compatilizer PS-MA acts on a phase interface layer surface to enhance interface bonding between PLA and PBAT phases, so that the molecular structure and the interface structure of a blending system are optimized at the same time, and the mechanical property, the processing stability and the structural uniformity of the film are improved.

An absorbent retail paper product made up of cellulose fibers, and having a 1,3-dichloro-2-propanol concentration of non-detected amounts to 50 ppb as measured using the AOAC Official Method 2000.0150, a 3-monochloro-1,2 propanediol concentration of non-detected amounts to 1000 ppb as measured using the AOAC Official Method 2000.0150, a polyaminoamide-epihalohydrin concentration of non-detected amounts to 0.09% as measured by an “Adipate test”, and a cross direction wet strength of 80 to 200 n / m, wherein all of the cellulose fibers contained in the absorbent paper product are non-synthetic, cellulose fibers and the absorbent paper product is substantially free of formaldehyde.

The invention relates to the field of textile fabrics, and discloses a polylactic acid fabric and a preparation method thereof. The polylactic acid fabric is prepared by weaving polylactic acid fibers, the polylactic acid fibers are prepared by melt spinning of a polylactic acid material body, and the polylactic acid material body is prepared from the following raw materials in parts by weight: 100-120 parts of polylactic acid resin, 12-20 parts of a heat-resistant moisture absorbent, 6-10 parts of a toughening agent and 0.2-0.4 part of an antioxidant; the heat-resistant moisture absorbent is prepared from lignin fibers, poly (ethylene 2, 5-furandicarboxylate), poly (butylene adipate-co-terephthalate) and a dispersing agent. The preparation method comprises the following steps of melt spinning, rib knitting, heat setting, dyeing and aftertreatment. The polylactic acid fabric prepared by the invention has better heat resistance, moisture absorption and shrink deformation resistance, and is suitable for scenes with higher requirements on heat resistance and moisture absorption, such as underwear or infant clothes.

The invention relates to the technical field of polyester degradable plastics, and particularly discloses an automotive trim composite material with antistatic and sound-absorbing functions and a preparation method thereof. The composite material comprises a composite material body and a sound absorbing material compounded on the surface of the composite material body, comprising the following components in parts by weight: 50-70 parts of a compound resin matrix of polylactic acid and poly (adipic acid-butylene terephthalate), 20-35 parts of multifunctional reinforced fibers, 5-10 parts of a structural conductive antistatic agent and 0.05-0.21 part of a microbial degradation triggering agent. The preparation method comprises the steps of fiber pretreatment and modification, conductive master batch preparation, raw material drying, mixing molding, sound-absorbing material compounding and the like. According to the invention, synergism of long-acting antistatic property, high sound absorption, controllable degradation and excellent mechanical property is realized, migration of an antistatic agent is avoided, the sound absorption coefficient is high, degradation is controllable, the process is simple, industrialization is feasible, and the composite material is suitable for automotive interior parts.

This invention provides a high-performance implantable biomedical product based on polylactic acid (PLA) and its preparation method. The preparation method, by weight, involves first melt-blending 10-20 parts of polybutylene adipate succinate (PSA) with 1-2 parts of hydroxyapatite to obtain a PBSA / HA mixture; then mixing 78-89 parts of PLA with PBSA / HA and extruding the mixture via a twin-screw extruder to obtain PLA / PBSA / HA granules; finally, using a micro-injection molding process to prepare the high-performance implantable biomedical product. This method induces a strong shear field through micro-injection molding, enabling in-situ fiber formation of the PBSA dispersed phase within the PLA matrix. Simultaneously, the addition of a specific amount of hydroxyapatite significantly enhances the product's toughness, resulting in a product with excellent biocompatibility and osteoinductive activity.

The present invention relates to a polybutylene adipate terephthalate resin having a controlled biodegradation rate and excellent coatability and an article comprising same.

The invention relates to the technical field of sealants, and discloses a high-softness butyl sealant without sticking hands and softening wire harnesses and a preparation method of the high-softness butyl sealant. The butyl sealant is prepared from the following raw materials: 5-15 parts of butyl rubber; 3 to 15 parts of polyisobutene; 3-8 parts of petroleum resin; 30-60 parts of an inorganic filler; 15 to 30 parts of a flame retardant; 0.5 to 1.5 parts of a coloring agent; 5-15 parts of a polyester plasticizer; and 5-15 parts of rubber filling oil. The butyl rubber and the polyisobutene are mixed for use, and the hardness of the sealant is suitable for manual operation through a proper proportion; compared with the common plasticizer, the polyester plasticizer has the advantages that the polypropylene glycol adipate is large in molecular weight, low in volatility and low in mobility, cannot migrate to the wire harness from the sealant, and cannot soften the wire harness; the polyester plasticizer and the rubber filling oil are mixed for use, and the sealant has the effect of not sticking hands but sticking lines through a proper proportion.

The invention relates to the technical field of high polymer materials, in particular to high-strength special bisphenol A type modified resin and a preparation method thereof. The invention relates to a high-strength special bisphenol A type modified resin, which is characterized in that the high-strength special bisphenol A type modified resin is obtained by synergistically modifying bisphenol A type epoxy resin through a chemical modifier, physical reinforced particles and curing regulation, and the chemical modifier is a mixture of methacrylic acid, maleic anhydride and diallyl adipate. According to the high-strength special bisphenol A type modified resin, through the synergistic effect of multi-component composite modification, nano SiO2 and carbon fiber synergistic enhancement and gradient curing, the tradeoff contradiction of toughness-strength-heat resistance of a traditional modification technology is broken through, and the high-strength special bisphenol A type modified resin has excellent salt mist resistance and ultraviolet aging resistance and meets the application requirements in the high-end field.

The invention relates to the technical field of thin film materials, in particular to a PBAT degradable composite material for preparing a thin film and a preparation method and application thereof. The PBAT degradation composite material is prepared from poly (butylene adipate-co-terephthalate), modified nanocellulose and a photosensitizer through melt blending, the photosensitizer is specifically added into the preparation raw materials for preparing the PBAT degradation composite material, the photosensitizer generates active oxygen under ultraviolet light by utilizing a photo-biological synergistic degradation mechanism, ester bonds in PBAT molecular chains are preferentially attacked, and the modified nanocellulose provides microorganism attachment sites to accelerate the enzymolysis process during biological composting; compared with a film without adding the photosensitizer, the tensile strength and the elongation at break of the film prepared by the invention are improved, and the tensile strength and the elongation at break after ultraviolet aging are obviously reduced, so that the degradation of the film is facilitated.

The invention discloses a biodegradable polyester composition with controllable degradation time and a preparation method of the biodegradable polyester composition, and relates to the technical field of biodegradable materials. 20-40 parts by weight of carboxyl-terminated polylactic acid; 0.5 to 3.0 parts by weight of a bifunctional chain extender containing an acetal bond; 5 to 15 parts by weight of a polyethylene glycol-b-polycaprolactone block copolymer; 1-5 parts by weight of modified cellulose nanocrystals; and 0.1-0.5 part by weight of metal organic framework loaded lipase. By reasonably matching the components and optimizing the preparation process, the degradation time of the biodegradable polyester composition can be accurately controlled, and the degradation induction period and the complete degradation time can be adjusted as required. The compatibility of the components is good, the mechanical property and the processing stability of the material can be effectively improved, and the problem of inactivation or uneven dispersion of the components in the processing process is avoided.

The present invention relates to novel carbodiimides, to a process for their production, and to the use of the novel carbodiimides in ester-based polyols, in polyethylene terephthalate (PET), in polybutylene terephthalate (PBT), in polytrimethylene terephthalate (PTT), in copolyesters, in thermoplastic polyester elastomers (TPE E), in ethylene vinyl acetate (EVA), in polylactic acid (PLA) and / or in PLA derivatives, in polybutylene adipate terephthalate (PBAT), in polybutylene succinate (PBS), in polyhydroxyalkanoates (PHA), in blends, in triglycerides, in thermoplastic polyurethanes, in polyurethane elastomers, in PU adhesives, in PU casting resins, for PU coatings or in PU foams as stabilizers.

The application provides a preparation method of high-purity double-diglycerol polyacyl adipate-2 and relates to the technical field of organic synthesis. The specific steps comprise the following steps: S1, putting double-diglycerol and mixed acid into a reaction kettle, vacuum heating and material mixing, water removal and mixing to obtain material; S2, adding a catalyst to the material to perform esterification reaction, and measuring the acid value after the reaction is completed; S3, after the acid value reaches the standard, cooling under a vacuum state, and filtering to obtain double-diglycerol polyacyl adipate-2. All raw materials except the catalyst are preheated and mixed under a vacuum state in the application, the mixing uniformity of the raw materials is improved, the raw materials are pretreated by water removal under a vacuum state, the water content of the material is ensured to be low, the reaction is promoted to proceed in a positive direction, the catalyst is added after the pretreatment by water removal to perform heat preservation reaction, the reaction is prevented from starting during the material mixing, the first step of the reaction is better controlled, the selectivity of the product is better, the side reaction is less, the purity of the final product is high, and the process flow is more controllable.

This invention belongs to the field of stone adhesive technology, specifically relating to a transparent stone splicing adhesive and its preparation method. The adhesive comprises a resin component and a curing component. The resin component includes maleic anhydride, phthalic anhydride, diol, catalyst, polymerization inhibitor, and crosslinking monomers, etc., and the diol includes at least 1,2-propanediol. The curing component includes an accelerator composed of dimethylaniline and zinc adipate, and a benzoyl peroxide initiator. The adhesive of this invention is colorless and transparent after curing, exhibits excellent resistance to yellowing, is easy to apply, and after curing with fillers, possesses excellent shear strength, water shear strength, and impact resistance. It can be widely used in high-end stone splicing, repair, and craft bonding.

The invention discloses a synthetic method of a water-based polyurethane color fixing agent for nylon dyed by an acid dye, aiming at the property of nylon dyed by the acid dye, poly (butylene adipate-1000) and polyethylene glycol-1000 are mixed to prepare cationic water-based polyurethane, so that the dyeing percentage is increased, and the treated nylon has higher K / S value and color fastness; meanwhile, N, N-dimethyl-N, N-bis (2-ethoxyl) ammonium chloride is selected as a cationic chain extender of the waterborne polyurethane, compared with a traditional cationic chain extender, a neutralization procedure necessary for a traditional route is omitted, the risks of neutralization amount deviation, local acid excess and the like are avoided, and the production process is simplified.

This invention discloses a method for preparing a high-barrier biodegradable material, comprising the following steps: A) Raw material pretreatment: Drying solid raw materials separately in a vacuum drying oven at 60-80℃ for 6-12 hours until the moisture content is below 0.05%; B) Melt blending: Mixing the dried raw materials with the remaining raw materials in a specific ratio until homogeneous. This invention significantly improves the barrier properties of the material through the synergistic effect of benzyl glycidyl ether, transesterification modified monomers, 1,4-succinic acid, nano-montmorillonite, and epoxy-modified graphene oxide. A balanced mechanical property is achieved through the rational ratio of polylactic acid and polybutylene adipate-terephthalate, as well as the effects of catalysts, chain extenders, and compatibilizers. The material achieves a degradation rate of 85.2% within 90 days, exhibiting good biodegradability and meeting environmental protection requirements. Through an optimized melt blending process, the material possesses good processing performance and can be molded using conventional plastic processing equipment, facilitating industrial production.

This invention relates to a halogen-free flame-retardant polyester resin for powder coatings. This polyester resin is obtained through a polymerization reaction using raw materials including piperazine, dimethyl adipate, p-phenylenediamine, melamine, succinic anhydride, diethylene glycol, 2-nitroterephthalic acid, adipic acid, and ammonium polyphosphate. The resulting polyester resin exhibits high branching, high rigidity, and extremely high nitrogen content in its molecular chain segments. The cured film exhibits high hardness and, without the presence of environmentally unfriendly halogen atoms, achieves an oxygen index exceeding 31%, demonstrating excellent flame-retardant properties. Furthermore, the polyester resin has low steric hindrance of its terminal carboxyl groups and high reactivity, allowing for low-temperature curing. The conventional properties of the coating film meet the application requirements of 60 / 40 powder coatings.

The application discloses an antibacterial film material in the field of film materials and a preparation method thereof, and comprises the following components in parts by weight: polylactic acid-based polymer 80-90 parts, polybutylene adipate terephthalate (PBAT) 10-20 parts, antibacterial toughening agent 3-5 parts, initiator 0.05-0.1 part and antioxidant 0.2-0.3 part. Through polymer design and crosslinking, the material improves the toughness and tensile capacity, is suitable for film application, the addition of PBAT further enhances the flexibility, the compactness of the polylactic acid-based polymer increases the barrier capacity to gas and liquid, the introduction of the antibacterial toughening agent enables the film to have antibacterial effect, prolongs the service life of the material and has important value in food hygiene application.

The invention relates to the technical field of waterborne polyurethane, in particular to a low-viscosity waterborne polyurethane adhesive and application thereof. Comprising a component A and a component B. The component A comprises active molecules, an end-capping reagent and a chain extender, the active molecules comprise a first active molecule, a second active molecule, a third active molecule, a fourth active molecule and a fifth active molecule, the first active molecule is prepared from hydroxyl-terminated rubber, isocyanate and dimer acid polyester polyol, and the second active molecule is prepared from hydroxyl-terminated rubber, isocyanate and dimer acid polyester polyol. The second active molecule comprises a polyoxypropylene polyoxyethylene block copolymer, the third active molecule comprises modified polyether polyol, the fourth active molecule comprises polybutylene adipate, the fifth active molecule comprises dimethylolpropionic acid, and the weight ratio of the second active molecule to the fourth active molecule is 1: (2-5). And the component B comprises a curing agent. The curing agent has excellent thermal shock resistance and high-temperature aging resistance, and is suitable for various curing agents.

This invention discloses a bamboo-based spinning material and its preparation method, belonging to the field of polymer composite material technology. The material, by weight, comprises 45-65 parts polylactic acid, 20-40 parts modified bamboo-based filler, 5-15 parts poly(dibutyl terephthalate) adipate / butyl terephthalate, 1-3 parts glycidyl methacrylate, 0.5-1.5 parts aminosilane coupling agent, 0.1-0.5 parts antioxidant, 0.2-0.8 parts heat stabilizer, and 1-4 parts bamboo nanocellulose. Through a three-level gradient interface reinforcement of bamboo micropowder-bamboo short fiber-bamboo nanocellulose, synergistic interface engineering of silane coupling and epoxy reaction compatibility, and heterogeneous nucleation of bamboo nanocellulose to regulate crystallization kinetics, stable melt spinning of the polylactic acid-based composite material is achieved. The resulting fiber has a tensile strength of not less than 34 MPa and an elongation at break of not less than 22%, and is completely biodegradable, replacing petroleum-based polyester.

The invention relates to the technical field of biodegradable materials, in particular to a high-transparency ultralow-haze PBAT-based flexible film and a preparation method and application thereof, and the high-transparency ultralow-haze PBAT-based flexible film is composed of poly (butylene adipate-co-butylene terephthalate), poly (butylene succinate-co-butylene terephthalate), an antioxidant, an anti-hydrolysis agent, an anti-blocking agent and a dispersing agent in parts by weight. The polyethylene terephthalate-butylene adipate is used as a main component, the polyethylene terephthalate-butylene adipate can be added as required, and a small amount of other assistants are added to guarantee the performance of the film. According to the invention, PBAT and PBST are blended to improve the optical performance of the film, casting cooling inhibits the formation of a large crystal region, and the transparency is synergistically increased; the problems of low transparency and high haze of the PBAT-based film are solved, the use requirement of the packaging field on the film material is met, and the application of the PBAT material is further widened.

The application belongs to the technical field of lubricants, and provides a polyurethane lubricant, a preparation method and application thereof.The polyurethane lubricant provided by the application comprises the following components in percentage by weight: 8-20% of a polyurethane thickening agent, 80-90% of base oil, 1.5-3.5% of an antioxidant, 0.5-2.0% of extreme pressure anti-wear agent, and 0.1-1.5% of lubricant; the polyurethane thickening agent is formed by polycondensation reaction of 4,4'-dicyclohexyl methane diisocyanate (HMDI), polybutylene adipate (PBA) and hydroquinone di(2-hydroxyethyl) ether (HQEE). The polyurethane lubricant provided by the application has excellent high-temperature stability, wide temperature range performance, and extremely high load-carrying and wear resistance.

The invention belongs to the field of food fresh-keeping packaging, and discloses a microporous litchi fresh-keeping film and a preparation method thereof, the microporous litchi fresh-keeping film is formed by compounding an inner layer, a middle layer and an outer layer; the inner layer is a blend of 60-70 parts of polylactic acid, 25-35 parts of chitosan and 3-5 parts of a rosemary extract, and the rosemary extract is powder obtained after ethanol reflux extraction and freeze drying; the middle layer is a blend of 4-6 parts of nano titanium dioxide, 2-4 parts of microencapsulated sodium bicarbonate, 5-8 parts of montmorillonite and 100 parts of poly (butylene succinate), the core material is sodium bicarbonate, and the mass ratio of the core material to the capsule material is 3: 1; the outer layer is a blend of 100 parts of polybutylene adipate-terephthalate and 5-8 parts of beewax, and the thickness ratio of the inner layer to the middle layer to the outer layer is 3: 2: 3; the invention aims to provide the microporous litchi preservative film and the preparation method thereof so as to solve the problems that the litchi preservative film in the prior art is poor in hydrophobicity, insufficient in gas regulation capability, incapable of effectively inhibiting peel discoloration and the like.

Compostable cold packs have a compostable film sealingly enclosing a fill material. The fill material includes a compostable or biodegradable sponge contributing 1% to 10% weight solids to the fill material, at least 90% by weight water, and a biocide, with the sponge in an expanded state as a result of absorption of the water and biocide. The compostable film comprises (1) a cellulose based film that includes a sealant film comprised of either a) polybutylene adipate terephthalate (PBAT), b) polybutylene succinate (PBS), c) un-oriented polylactic acid (PLA), d) biaxially oriented PLA (BOPLA), or (e) a cellulose wood pulp and starch blend; (2) a BOPLA based film that includes an inner sealant film comprised of either a) polybutylene adipate terephthalate (PBAT), b) polybutylene succinate (PBS), or c) un¬ oriented polylactic acid (PLA); or (3) a single film of heat sealable BOPLA. Methods of making the cold packs are also disclosed.

The application relates to the technical field of food packaging, in particular to a degradable food packaging bag and a preparation process thereof. The packaging bag comprises two base films and a functional adhesive layer which is compounded between the two base films. The base film is made of raw materials including the following components in parts by mass: polybutylene adipate terephthalate 50-70 parts; polylactic acid 20-35 parts; corn starch 10-25 parts; and a compatilizer 2-6 parts. The functional adhesive layer is made of raw materials including the following components in parts by mass: water-based polyurethane emulsion 100 parts; hydrophobic silicon dioxide particles 3-15 parts; chitosan derivative modified micron zinc oxide 5-20 parts; and a plasticizer 1-5 parts. The application provides a method which considers the degradation, antibacterial property and mechanical property, and has the effects of being safer and more reliable.

A resin composition that includes a polybutylene adipate terephthalate; a polylactic acid; and an acrylate-based copolymer, where the acrylate-based copolymer includes i) a first repeating unit derived from an alkyl (meth)acrylate-based monomer, ii) a second repeating unit derived from an epoxy (meth)acrylate-based monomer, and iii) a third repeating unit derived from an alkylene glycol (meth)acrylate-based monomer; and a biodegradable resin molded product including the resin composition. The resin composition exhibits excellent mechanical properties while maintaining the inherent biodegradability of polybutylene adipate terephthalate or polylactic acid.

The present application belongs to the technical field of degradable polymer composite materials, and particularly relates to a heat-resistant degradable composite material and a preparation method thereof. In the method, epoxy silane grafted zirconium titanium phytate layered microsheets, lactic acid modified silicon boron calcium phosphate whiskers and light calcium carbonate are premixed with ethylene bis-stearamide and monoglyceride, and then mixed with polybutylene succinate, polylactic acid, polybutylene terephthalate adipate, an epoxy chain extender and an antioxidant, and then subjected to double-screw melt blending, cooling and granulation, drying, molding and heat treatment to obtain the heat-resistant degradable composite material. Through the synergistic effect of the epoxy silane grafted zirconium titanium phytate layered microsheets, the lactic acid modified silicon boron calcium phosphate whiskers and the degradable polyester matrix, the heat resistance, dimensional stability, mechanical strength and processing stability of the material are improved.