53results about How to "High viscoelasticity" patented technology

The invention discloses a high-biocompatibility pH response type Pickering emulsion and a preparation method thereof, and relates to the technical field of food and materials. An interfacial film with high mechanical strength is constructed by adopting electrostatic interaction and hydrophilic-hydrophobic complementary characteristics between the hydrophobic shellac nanoparticles carrying negative charges and the hydrophilic cationic colloidal particles carrying positive charges, and the prepared emulsion has good viscoelasticity and stability. In addition, due to the unique solubility of the shellac nanoparticles, the Pickering emulsion prepared by the preparation method disclosed by the invention has excellent pH responsiveness. The preparation method of the Pickering emulsion is convenient and simple, the stabilizer is wide in source and low in price, the biocompatibility of the emulsion is high, and the Pickering emulsion has wide application prospects in the aspects of food, medicine, materials and the like.

The chitosan hydrogel disclosed by the invention is prepared from the following components in parts by weight: 6 to 15 parts of carboxymethyl chitosan, 0.4 to 1 part of a cross-linking agent and 300 to 900 parts of water. The invention belongs to the technical field of polymer hydrogel, and particularly relates to chitosan hydrogel and a preparation method thereof, the prepared chitosan hydrogel is low in toxicity and safer, a low-temperature and high-temperature step-by-step cross-linking product is adopted, compared with a one-step cross-linking product, the residual amount of a cross-linking agent is lower, a chitosan solution and the cross-linking agent react slowly under the low-temperature condition, and the cross-linking effect is good. The mixing is more sufficient under a liquid condition.

The invention discloses pre-swelling multipolymer high-viscoelastic asphalt modified particles and a preparation method thereof, and belongs to the technical field of road engineering materials. The pre-swelling multipolymer high-viscoelastic asphalt modified particles are prepared from the following components in parts by weight: 10 to 40 parts of desulfurized waste tire rubber powder, 20 to 30 parts of styrene-butadiene-styrene block copolymer, 15 to 20 parts of adhesive, 10 to 17 parts of compatilizer, 13 to 18 parts of tackifier and 2 to 5 parts of auxiliary agent. In the pre-swelling multi-polymer high-viscoelastic asphalt modified particle provided by the invention, the desulfurized waste tire rubber powder is pre-swelled in the compatilizer, and the SBS develops in advance in the asphalt adhesive to form a continuous phase system which is not easy to deform and has a certain degree of elastic property with asphalt; according to the preparation method, high-volume desulfurized waste tire rubber powder and SBS in the prepared modified particles can be stably dispersed in matrix asphalt, the performance is rapidly improved, the construction workability is improved, and the modified particles have the advantages of good viscoelasticity, adjustment and optimization as required, stable system, high economic benefit and the like.

The invention relates to the technical field of food processing, and discloses a method for improving quality deterioration of fish gelatin gel induced by high-temperature processing conditions, which comprises the following steps: dispersing curdlan in a fish gelatin solution before the fish gelatin solution is processed at a high temperature (90-100 DEG C), and then processing at the high temperature (90-100 DEG C) for 1 hour, and standing and incubating at 4 DEG C for 12 hours to form gel. The low-calorie protein composite gel with higher hardness, water-holding capacity and thermal stability is prepared by carrying out polysaccharide composite treatment on the fish gelatin subjected to high-temperature processing treatment. The hardness, the water-holding capacity and the thermal stability of the fish gelatin gel prepared by the method are improved, and the quality loss of the fish gelatin gel after high-temperature processing is made up. In addition, the curdlan belongs to non-digestible and non-absorbable dietary fibers, so that the method meets the requirements of healthy foods and is beneficial to novel industrial production of traditional aquatic products.

The invention discloses cross-linked recombinant collagen gel as well as a preparation method and application thereof. According to the method, recombinant collagen is taken as a raw material, gel is prepared through catalysis of a coupling agent DMTMM, and the cross-linked recombinant collagen gel is obtained through dialysis, homogenization and sterilization processes. The preparation method disclosed by the invention has the advantages of high reaction speed, high condensation efficiency, mild reaction conditions and the like, exogenous toxicity is not introduced, and the prepared cross-linked recombinant collagen gel has excellent viscoelasticity, cohesiveness and degradation resistance, is low in safety risk for injection and has a wide application prospect.

The invention discloses a salt response type high-temperature-resistant drilling fluid tackifier as well as a preparation method and application thereof. The salt response type high-temperature-resistant drilling fluid tackifier comprises a first side chain, a second side chain, a third side chain and a fourth side chain, wherein the quantity ratio of the first side chain to the second side chain to the third side chain to the fourth side chain is (5-9): (3-5): (1-2): (0.2-0.4); the weight-average molecular weight of the salt response type high-temperature-resistant drilling fluid tackifier is 1.0 * 10 < 7 >-3 * 10 < 7 >. The tackifier can resist salt to be saturated at 180 DEG C, and still has a good salt-resistant tackifying effect at 200 DEG C.

The invention belongs to the technical field of viscoelastic coatings, and particularly relates to a viscoelastic functional composite material, a viscoelastic coating, a viscoelastic diaphragm, a preparation method of the viscoelastic diaphragm and a lithium ion battery. The viscoelastic functional composite material provided by the invention comprises a chemically modified and coated viscoelastic material and a water-based adhesive, the shell layer of the chemically modified and coated viscoelastic material is a pressure-sensitive material, and the core of the chemically modified and coated viscoelastic material is a macromolecular viscoelastic material; the dry weight of the water-based adhesive accounts for 1-10% of the dry weight of the chemically modified and coated viscous-elastic material by mass. The viscoelastic functional composite material provided by the invention can effectively improve the viscoelasticity of the diaphragm in the Z direction, improve the overall compression resilience and bonding characteristic of the diaphragm, and can bond the diaphragm and a pole piece into a whole, thereby improving or solving the problem of expansion and shrinkage of a silicon-based negative electrode lithium battery in work, and improving the service life of the lithium battery. The stability of the shape and size of the battery is maintained, the interface is improved, and the high-energy-density silicon-based negative electrode is assisted to be applied to power and energy storage batteries on a large scale.

This invention provides a high-hygroscopic, water-free composite gel-type calcium and magnesium salt tablet and its preparation method, which is made from the following raw materials in parts by weight: 45-70 parts calcium and magnesium salt, 15-25 parts gum arabic, 3-15 parts mica powder, 2-12 parts polyethylene oxide, 0.5-2 parts sodium nitrite, and 2-30 parts gelatin. This tablet exhibits high hygroscopicity and excellent physical properties.

The application discloses an impact-resistant high-thermal-conductivity polyphenylene sulfide composite material and a preparation method thereof, and relates to the technical field of plastic processing. The preparation method comprises the following steps: S1, preparation of a highly oriented PPS fiber insert; and S2, preparation of the impact-resistant high-thermal-conductivity PPS composite material. The application provides an impact-resistant high-thermal-conductivity PPS composite material and a preparation method thereof. Firstly, the viscoelasticity of PPS resin is improved by using high-melt-viscosity and high-temperature-resistant aromatic polyamide, the interfacial compatibility of PPS / aromatic polyamide is enhanced by using a functionalized polysulfone-based resin as a compatibilizer, so that the stretchability and the tensile orientation degree of PPS are improved; PPS composite fibers are obtained by using a melt spinning machine, and a fiber solid-phase high-multiple-stretching-annealing forming process is established, so that the high-toughness and highly oriented PPS composite fiber material is obtained.

This application belongs to the field of lithium battery technology, and particularly relates to a lithium battery ceramic separator adhesive, its preparation method, and a lithium battery. The lithium battery ceramic coated separator adhesive includes a core layer and a shell layer. The shell layer is a copolymer of alkyl acrylate and acrylate polyacrylate with a mass ratio of 1:1 to 3. The glass transition temperature is about -10℃ to -30℃. It is in a glassy state at room temperature and has good viscoelasticity. It can effectively bond the positive and negative electrode sheets and the battery ceramic separator at room temperature after conventional pressing. The positive and negative electrode sheets and the battery ceramic separator are difficult to peel off or move. This solves the technical problem in the prior art that the bonding effect of lithium battery ceramic separator adhesive at room temperature is poor and the electrode sheets and separator are prone to displacement.

The invention relates to an alveolar bone-periodontal membrane imitating dual-phase scaffold and a preparation method and application thereof, and relates to the technical field of tissue engineering scaffold materials, the alveolar bone-periodontal membrane imitating dual-phase scaffold comprises a fiber phase module and a bone phase module constructed on the fiber phase module; the fiber phase module is an ordered arrangement fiber network scaffold constructed by dopamine modified gelatin; the bone phase module is a gelatin 3D printing bracket doped with freeze-dried platelet-rich fibrin percolate and nano clay. The artificial alveolar bone-periodontal membrane biphase stent provided by the invention comprises a bone phase module of a PRFe-loaded 3D printing stent and a fiber phase module of oriented electrostatic spinning, and each module is highly matched with biomechanical characteristics of periodontal soft and hard tissues, so that synchronous repair of the periodontal soft and hard tissues can be realized; the technical problems that a gap exists between tissue engineering scaffold interface bionics and natural tissues and the endogenous regeneration efficiency is poor are effectively solved.

The invention discloses an injectable hydrogel pharmaceutical composition for an articular cavity as well as a preparation method and application of the injectable hydrogel pharmaceutical composition. The hydrogel pharmaceutical composition comprises gel particles and a medicine loaded in the gel particles, the gel particles are formed by cross-linking hyaluronic acid or salt thereof and silk fibroin through a cross-linking agent; the medicine comprises an anti-inflammatory drug and / or a growth factor. The preparation method is simple, good in safety and beneficial to industrial production. The uniform porous structure of the hydrogel is beneficial to adhesion and growth of bone cells, meanwhile, the double-load hydrogel loaded with the anti-inflammatory drug and the growth factor has good viscoelasticity and injectability and has the effects of synergistically resisting inflammation and promoting cartilage repair, and bone joint related diseases are treated in a bone joint intracavity injection mode; the drug residence time can be prolonged, and the bioavailability is improved.

The invention discloses a method for rapidly preparing high-concentration MXene slurry, which comprises the following steps: 1, mixing hydrochloric acid and nitric acid to obtain a trapping agent; 2, a trapping agent and the Ti < 3 > C < 2 > T < x > MXene dispersion liquid are mixed, and the MXene dispersion liquid is obtained; 3, the MXene dispersion liquid passes through a vacuum filtering device, a filter cake is formed on a filter membrane, deionized water is added to clean the filter cake, and a hydrogel MXene filter cake is obtained; and 4, stripping the MXene filter cake from the surface of the filter membrane, transferring the MXene filter cake to a beaker, and homogenizing the MXene filter cake through a high-speed homogenizer at normal temperature to obtain MXene slurry. The hydrochloric acid and the nitric acid are introduced as trapping agents, so that the filtering speed of the MXene dispersion liquid is greatly increased, and the MXene dispersion liquid can be converted into high-concentration MXene slurry within 10 minutes. The solid content of the slurry is 12-15wt%, the viscoelasticity is good, and the content of residual acid is less than 0.001 M / L.

The invention relates to a preparation method of a graphene macroscopic body with a multi-scale structure, which comprises the following steps: (1) preparing a few stripped lamellar graphene oxide by adopting a chemical oxidation method to obtain a graphene oxide aqueous dispersion; (2) adding a surfactant into the graphene oxide aqueous dispersion obtained in the step (1), and stirring to obtain a bubble group filled graphene oxide slurry, namely a printing foaming slurry; (3) filling the foaming slurry obtained in the step (2) into an injector for direct writing and printing to obtain a three-dimensional macroscopic body with a specific shape; and (4) carrying out drying molding and reduction treatment on the three-dimensional macroscopic body obtained in the step (3) to obtain the graphene macroscopic body with the multi-scale structure. The graphene macroscopic body with the multi-scale structure prepared by the invention has the advantages of individualized customization, ultra-low density, super-strong elasticity and excellent electromagnetic shielding performance, and is an electromagnetic shielding material with good application prospects.

The present invention discloses a small-particle agarose gel, a preparation method and application thereof, and belongs to the field of medical cosmetology and biomedical technology. The agarose gel of the present invention is prepared by the following method: non-crosslinked agarose microspheres, a crosslinking agent and a dispersant are mixed, an alkaline solution is added, and non-static crosslinking is performed at 55 to 65° C. The crosslinking time is 7 to 15 hours. After the crosslinking is completed, the agarose gel is washed to obtain the agarose gel. The agarose gel prepared by the present invention has a small particle size, low residue, soft texture, good viscoelasticity, and good biocompatibility. Therefore, it can be prepared into a cosmetic injection for facial filling plasticity to increase the cosmetic effect, and has broad application prospects.

The present invention discloses a preparation method and application of a MXene-poly eutectic-based conductive elastomer, comprising the following steps: preparing a clear, transparent, and performance-adjustable polymerizable eutectic solvent ternary system by a "one-pot method" by mixing a hydrogen bond acceptor choline chloride with a hydrogen bond donor acrylic acid and acrylamide; further adding a two-dimensional monolayer Ti3C2T x The nanosheets obtain a prepolymer solution of a multi-hydrogen bond network, and finally, under ultraviolet light initiation conditions, in-situ photopolymerization is performed to obtain a MXene / poly eutectic self-healing conductive elastomer. The preparation process of the present invention is simple, efficient, and green, and reduces the production cost of the material and the complexity of the process technology. The present invention improves the conductivity and strain sensitivity of the elastomer, enriches the hydrogen bond network composition in the conductive elastomer, and ensures the room temperature self-healing properties of the conductive elastomer. The conductive elastomer prepared by the present invention can be used for strain sensing detection for monitoring different human activities.

The invention belongs to the technical field of oil-gas field development, and relates to a CO2 slow response type gel for an ultra-high-temperature oil reservoir and a preparation method of the CO2 slow response type gel. The invention relates to a CO2 slow response type gel for an ultra-high temperature oil reservoir. The CO2 slow response type gel comprises an anionic surfactant, a cross-linking agent, a thiourea auxiliary agent and water. The CO2 slow response type gel for the ultra-high-temperature oil reservoir is relatively low in viscosity before being in contact with CO2, and can be well injected into a deep stratum, so that the swept area is enlarged; and after CO2 is introduced, at the temperature of 140 DEG C or above, after 5 hours, cross-linking is performed to form a three-dimensional network structure, the volume expansion viscosity is increased, and good viscoelasticity is achieved, so that the stratum is better blocked.

The invention relates to the technical field of biological polysaccharide cross-linking agents, in particular to application of a diaminodiketopiperazine compound, and the diaminodiketopiperazine compound is used as a cross-linking agent in the preparation process of cross-linked biological polysaccharide gel. The diaminodiketopiperazine compound is a compound with a structure shown as a formula I or a pharmaceutically acceptable salt thereof: # imgabs0 #, wherein R is normal alkyl or isoalkyl with the carbon atom number smaller than or equal to 10; the preparation process of the cross-linked biological polysaccharide gel comprises the following steps: dissolving and uniformly mixing biological polysaccharide and the diaminodiketopiperazine compound in water or a buffer solution, then adding a condensing agent to form a reaction solution, and carrying out a cross-linking reaction to obtain the cross-linked biological polysaccharide gel, according to the invention, the diaminodiketopiperazine compound is used as a cross-linking agent to cross-link the biological polysaccharide, so that the biological polysaccharide gel has higher cell survival rate and better biological safety, and the prepared gel has better viscoelasticity and thermal stability and can tolerate moist heat sterilization.

The present invention relates to a biological polysaccharide hydrogel, a preparation method therefor and an application thereof. The biological polysaccharide hydrogel of the present invention is formed by means of the mixing and reaction of two solutions; the first solution is a polysaccharide derivative solution having an aldehyde on a side chain; the second solution is a polysaccharide derivative solution having a primary amine on a main chain or a side chain, or a small molecule compound solution having two or more primary amines. The preparation method of the present invention comprises preparing the first solution and the second solution, and then mixing the first solution and the second solution to form a transparent biological polysaccharide hydrogel. The biological polysaccharide hydrogel of the present invention can be applied as a vitreous substitute.

The invention provides a preparation method of lysine cross-linked hyaluronic acid gel, which comprises the following steps: mixing sodium hyaluronate, 4-(4, 6-dimethoxytriazine-2-yl)-4-methylmorpholine hydrochloride and lysine, and carrying out cross-linking reaction and dialysis treatment to obtain the lysine cross-linked hyaluronic acid gel, wherein in the dialysis treatment, dialysis is directly carried out by using dialysate, and a dialysis membrane bag is not used. In the preparation method of the lysine cross-linked hyaluronic acid gel provided by the invention, dialysis can be completed without using a dialysis membrane bag in a dialysis process, so that not only is the use of a disposable dialysis membrane bag saved, but also the dialysis efficiency and the quality of a dialyzed lysine cross-linked hyaluronic acid gel product are improved.

According to the environment-friendly vegetable oil-based offset printing ink and the preparation method thereof, the used compound homogeneous vegetable oil has the advantages of being good in stability and capable of enhancing the viscoelasticity of a connecting material, and the compound use also has higher cost performance; the environment-friendly additive also has obvious influence on the adhesion and adhesive force of the ink; the oxidized polyethlene wax can reduce the content of volatile small molecular substances and reduce unpleasant odor; especially in the aspect of degradation rate, due to the addition of the degradable manganese-based environment-friendly carbon powder, an adsorption synergistic effect is achieved, and good reaction active sites can be provided for adsorption and degradation, so that the peculiar smell adsorption effect can be enhanced, and the degradation efficiency can be improved. The comprehensive performance of the offset printing ink prepared by adopting the preparation process disclosed by the invention is remarkably improved, and the offset printing ink has the advantages of excellent wear resistance, strong adhesive force, no peculiar smell, obvious degradation rate and good adaptability.

The invention discloses a waterproof, antifouling and antibacterial copolymer protective layer and a preparation method thereof, and relates to the technical field of antifouling coatings. The preparation method at least comprises the following steps: mixing octamethylcyclotetrasiloxane and aminopropyltrimethylsilane for reaction to obtain a side chain amino modified polysiloxane polymer; mixing the side chain amino modified polysiloxane polymer with quaternary ammonium salt-containing epoxy resin, magnetically stirring uniformly, adding tetraethoxysilane and dibutyltin diacetate, and vacuumizing and defoaming to obtain a waterproof, antifouling and antibacterial copolymer coating; the waterproof, antifouling and antibacterial copolymer coating is wiped or sprayed on the dry and clean surface of a base material, and after drying and curing, the waterproof, antifouling and antibacterial copolymer protective layer is obtained. The waterproof, antifouling and antibacterial copolymer protective layer prepared by the invention covers the surface of a base material, is odorless, nontoxic, anti-aging, waterproof, oil-proof, antibacterial, mildew-proof, antifouling and doodling-proof, and has excellent antifouling and self-cleaning functions.

The invention relates to the technical field of pressure-sensitive adhesives, in particular to a high-temperature-resistant chemical-resistant base-material-free adhesive tape for wearable electronic products. The adhesive comprises a synthetic masterbatch, a high-temperature-resistant nano filler and a curing agent, the synthetic masterbatch comprises a mixed solvent, a mixed monomer and an initiator, the adhesive is mainly used for preparing the base-material-free adhesive tape for the flexible sealing ring of the wearable electronic product, and the adhesive tape adhesive is self-made and synthesized, is an acid-free and resin-free polyacrylate adhesive, and has the advantages that the adhesive tape is high in adhesive strength and high in adhesive strength; the prepared masterbatch has the characteristics of good cohesion performance, good chemical resistance, good solvent resistance and the like; the adhesive tape prepared by the invention has better high-temperature range usability, and keeps higher viscoelasticity at 85-105 DEG C.

This invention discloses a surfactant composition, its preparation method, and its applications. The surfactant composition comprises a nonionic surfactant, an amphoteric surfactant, and optionally an anionic nonionic surfactant; wherein the nonionic surfactant is selected from at least one nonionic compound containing a hydrophobic hydrocarbon chain and two or more hydroxyl groups. The surfactant composition of this invention forms a bicontinuous phase structure through self-assembly, which is interconnected in all directions, thereby providing excellent mass transport properties and achieving rapid wetting. The use of a mixture of a polyhydroxy nonionic surfactant and an amphoteric surfactant enhances hydrogen bonding with water and the anions in the amphoteric surfactant, while the hydrophobic hydrocarbon chain enhances van der Waals forces, increasing the viscoelasticity of the coating under wetting conditions and thus enhancing its resistance to prolonged water misting.

The invention belongs to the technical field of oil field reservoir exploitation, and discloses a preparation method of acid slick water based on a betaine surfactant. The preparation method comprises the following steps: adding N, N-di-n-alkylamine, 2-chloroethanol and a sodium hydroxide solution into a flask, reacting at 80-90 DEG C, and removing redundant 2-chloroethanol in a product to obtain an intermediate I; and adding the intermediate I into the flask, heating, slowly adding maleic anhydride into the flask, reacting at 80-85 DEG C, and drying the product to obtain the betaine surfactant drag reducer. And adding the drag reducer into water, stirring, adding the clay stabilizer and the cleanup additive, and uniformly dissolving to obtain the acid slick water based on the betaine surfactant. According to the acid slick water, acid fracturing is carried out without additional acid liquid, the acid betaine surfactant firstly forms wormlike micelles, the wormlike micelles reach a target reservoir, gel breaking is carried out, then the wormlike micelles are hydrolyzed to generate maleic acid, gradient release of the acid liquid can be achieved, far-end fracture steering is better facilitated, and the acid fracturing effect is enhanced.

The application relates to a high internal phase emulsion ink material and a preparation method and application thereof, and belongs to the technical field of emulsion ink material preparation. The preparation method of the high internal phase emulsion ink material provided by the application is as follows: a pulse electric field is used to treat a soybean protein isolate solution, then the soybean protein isolate solution is mixed with a polysaccharide solution as an aqueous phase, then vegetable oil and a bioactive substance are mixed as an oil phase, and finally the aqueous phase and the oil phase are mixed and high-speed sheared to prepare the high internal phase emulsion ink material. The high internal phase emulsion ink material prepared by the application has high stability after freeze-thaw storage and high retention rate of the bioactive substance, can effectively embed the bioactive substance, better realizes slow release of the bioactive component, achieves the purpose of targeted transport, improves the retention capacity of the emulsion to the internal phase substance under the freeze-thaw condition, has great application prospect and development potential in the preparation of 3D printing functional food, and can provide a new technical direction and technical support for the 3D printing functional food.

The invention belongs to the technical field of food processing, and particularly relates to palatable chlorella noodles and a preparation method thereof. In the invention, the optimal addition amount of the chlorella powder is 2.0%, the optimal addition amount of the dietary alkali is 1.0%, the optimal addition amount of the water is 46%, and the optimal addition amount of the salt is 1.3%. The chlorella noodles obtained through the optimal preparation technology are good in sensory evaluation, the color is easier to accept by consumers, starch in the chlorella noodles is not prone to aging, and the viscoelasticity is greatly improved. According to the present invention, with the combination of the traditional noodle production process and the characteristic that the chlorella powder is rich in various influencing substances, the chlorella powder with a certain ratio is added to the flour so as to improve the nutritional value and the sensory quality such as the color and the flavor of the noodles, and the edible salt and the dietary alkali are added so as to improve the taste of the chlorella noodles. The present situation that traditional noodles mainly take carbohydrates as nutrient substances can be effectively improved.

The present invention provides a composite nanoparticle, belonging to the technical field of food and biological preparations, wherein the composite nanoparticle comprises tea residue protein and epigallocatechin gallate; the mass ratio of the tea residue protein to epigallocatechin gallate is 1:(0.01-0.1). The present invention utilizes the combination of tea residue protein and epigallocatechin gallate through hydrogen bonding to form a relatively compact structure, thereby improving the functional properties of the tea residue protein and reducing the particle size of the composite nanoparticle; the composite nanoparticle can prepare a Pickering emulsion with high stability, therefore, the nanoparticles composited by tea residue protein and epigallocatechin gallate can effectively serve as a food-grade stabilizer for Pickering emulsion.

The present invention belongs to the technical field of coating thickeners, and provides a low-viscosity thickener for water-based wood coatings and a preparation method thereof. Although the water-based coating thickeners on the market can increase the viscosity of the coating, they may affect the transparency and self-leveling properties of the coating. In addition, in order to achieve the desired rheological effect, the thickener may need to be used at a higher concentration, thereby increasing the cost and affecting the appearance of the coating. The thickener of the present invention is a thickener synthesized by polylactic acid and polyethylene glycol block copolymers, in which polylactic acid provides a hydrophobic skeleton and polyethylene glycol provides hydrophilicity. The polylactic acid segments are further modified by terminal amidation and multi-point cross-linked sulfonated polyethylene glycol to form a stable three-dimensional network structure, thereby improving the viscosity and leveling properties of the coating and improving the anti-sagging property.

The present invention discloses a test piece making device and method that can accurately control the thickness of the thermosetting material glue layer. The device includes a plurality of first fixings, a plurality of second fixings and a base; the base is provided with a plurality of first grooves and a second groove; the first fixing and the second fixing both include a first accessory and a second accessory; the first fixing and the second fixing are respectively fixed to the first groove and the second groove, and the epoxy resin material is injected into the gap between the first accessory and the second accessory, and after curing and solidifying, epoxy resin glue layers of different thicknesses can be accurately made, providing qualified test pieces for the dynamic shear rheometer to apply a torsional shear force to the epoxy resin cured glue layer. The present invention can accurately guarantee the thickness of the glue layer, and solves the problem in the prior art that when the dynamic shear rheometer is used to measure the performance of epoxy resin, the thickness of the epoxy resin glue layer cannot be accurately controlled, and thus, it is impossible to provide qualified test pieces for the viscoelastic test of materials such as epoxy resin.