37results about How to "Good rigidity and flexibility" patented technology

The invention discloses a thermosetting resin composition which is prepared from the following components based on the weight of solids: (a) 10 to 100 parts of hydrcarbon resin, (b) 20 to 100 parts of maleimide ester, and (c) 0.1 to 8 parts of an initiator. According to the thermosetting resin composition, the maleimide ester with a polyfunctional long chain structure and a rigid imide ring works together with the flexible hydrcarbon resin to form a thermosetting composition, and the maleimide ester and the rigid imide ring react with each other, so that finally the thermosetting resin composition and a prepreg made of the thermosetting resin composition as well as a laminated board have the characteristics of excellent dielectric property, heat resistance, adhesion property, flame retardancy, bending strength and toughness, high peeling strength, low water absorption rate, excellent processing property and the like.

The invention discloses a siloxane-terminated polyether type lithium battery adhesive and a preparation method thereof. The preparation method comprises the following steps: 1) sequentially adding a solvent and cyanate into a reaction bottle, performing stirring and mixing, further adding a phase transfer catalyst, performing heating to 70-100 DEG C, and performing uniform constant temperature activation and dispersion for 30 minutes; and 2) respectively dropwise adding measured chlorosilane and polyether alcohol, or chlorosilane and polyester alcohol into the activation solution in the step 1), increasing the exothermic reaction temperature to 90-120 DEG C, maintaining the temperature range, performing a continuous reaction for 6-8 hours, after the reaction is completed, performing cooling to the room temperature, performing filtering so as to obtain filtrate, and removing the solvent, so as to obtain the siloxane-terminated polyether type lithium battery adhesive. The siloxane-terminated polyether type lithium battery adhesive disclosed by the invention is simple in preparation method, low in cost, high in efficiency, fast in adhesion and easy in industrialization. Prepared siloxane-terminated polyether for adhesion of lithium batteries is capable of improving the efficiency of the lithium batteries, high and low temperature resistance, stable charge and discharge efficiencyand bonding properties of the lithium batteries.

The invention belongs to the field of photoelectron materials, which discloses a metal porphyrin-diazosulfide organic semiconductor material as well as a preparation method and application thereof. The metal porphyrin-diazosulfide organic semiconductor material has a structural formula (P), wherein n is an integer from 1-100, R1, R2, R3 and R4 is H, the alkyl of C1-C32, phenyl and alkylbenzene oralkoxy benzene containing one or a plurality of C1-C32, and M is a metal ion. The metal porphyrin-diazosulfide organic semiconductor material provided by the invention has the advantages of good filmforming property, strong absorbance and wide light absorption range, and the use ratio of the metal porphyrin-diazosulfide organic semiconductor material on sunlight is improved. The metal porphyrin-diazosulfide organic semiconductor material has better thermal stability and environment stability. In addition, the preparation method has a simple technology and is easy to operate and control.

The invention relates to a material for a non-excavation type cable protection pipe and a cable protection pipe, wherein the material is formed by mainly compounding modified polypropylene (MPP) and LDPE (low-density polyethylene), the modified polypropylene is a polypropylene reclaimed material, and the material comprises the following components in percentage by weight: 75-85 percent of MPP, 10-15 percent of LDPE, 0.1-1 percent of initiator, 0.5-6 percent of accessory ingredient, 0.1-0.5 percent of antioxidant and 1.5-2.5 percent of color masterbatch. Compared with the traditional MPP material for the cable protection pipe, the material for the non-excavation type cable protection pipe has the characteristics of good rigid-flexible combination property, low raw material cost and good market application prospect.

The invention belongs to the field of photoelectron materials, which discloses a metal porphyrin-diazosulfide organic semiconductor material as well as a preparation method and application thereof. The metal porphyrin-diazosulfide organic semiconductor material has a structural formula (P), wherein n is an integer from 1-100, R1, R2, R3 and R4 is H, the alkyl of C1-C32, phenyl and alkylbenzene oralkoxy benzene containing one or a plurality of C1-C32, and M is a metal ion. The metal porphyrin-diazosulfide organic semiconductor material provided by the invention has the advantages of good filmforming property, strong absorbance and wide light absorption range, and the use ratio of the metal porphyrin-diazosulfide organic semiconductor material on sunlight is improved. The metal porphyrin-diazosulfide organic semiconductor material has better thermal stability and environment stability. In addition, the preparation method has a simple technology and is easy to operate and control.

The invention discloses a preparation process of environment-friendly sugarcane peel fibers. The preparation process comprises the following steps of: (1), firstly, removing sugarcane peels and transversely cutting the sugarcane peels into small sections with the length of 50mm-75mm; putting the sugarcane peels into clean water and washing; then putting the sugarcane peels into a water batch at the bath ratio of 1 to 30, and boiling for 1-2 hours; replacing the clean water and repeatedly boiling for 1-3 times, and drying; (2) putting the dried sugarcane peels into a mixed solution of hydrochloric acid and formic acid under a stirring condition that the temperature is 80-90 DEG C at the bath ratio of 1 to (20-35), and extracting the sugarcane peel fibers; (3) washing the obtained sugarcane peel fibers with water, and putting the sugarcane peel fibers into an alkaline solution under a stirring condition that the temperature is 75-80 DEG C at the bath ratio of 1 to (20-35) and carrying out alkali boiling treatment; and (4) putting the sugarcane peel fibers subjected to the alkali boiling treatment into a weak acid solution and carrying out neutralizing treatment, and washing with the water and drying to obtain 50%-70% of sugarcane peel single fibers, with the residue of bundle fibers. The sugarcane fibers prepared by the invention have strong moisture absorption and air permeability, good rigidness and softness and strength elongation property, and are environmentally friendly and biodegradable.

The invention discloses rigid-flexible protecting mortar for nuclear power plants and a preparation method of the rigid-flexible protecting mortar and belongs to the technical field of anti-radiation mortar. The rigid-flexible protecting mortar is prepared from the following components in parts by weight: 5-15 parts of cement, 6-10 parts of mineral powder, 30-50 parts of river sand, 3-5 parts of dispersed latex powder, 6-10 parts of wood fiber powder, 8-12 parts of nano-lead particles and 4-8 parts of epoxy resin powder. The invention aims at providing the rigid-flexible protecting mortar for the nuclear power plants and the preparation method of the rigid-flexible protecting mortar. The rigid-flexible protecting mortar has the characteristics of being long in service life, good in rigid-flexible property, high-temperature structure stability, and anti-radiation property, corrosion-resistant, wear-resistant and capable of avoiding layering, segregation and sagging and preventing nuclear leakage, thereby improving the security level of the nuclear power plants.

The invention belongs to the field of photoelectron materials, which discloses a metal porphyrin-anthracene organic semiconductor material as well as a preparation method and application thereof. The metal porphyrin-anthracene organic semiconductor material has a structural formula (I), wherein n is an integer from 1-100, R1, R2, R3 and R4 is H, the alkyl of C1-C32, phenyl and alkylbenzene or alkoxy benzene containing one or a plurality of C1-C32 respectively, and M is a metal ion. The metal porphyrin-anthracene organic semiconductor material provided by the invention has the advantages of good film forming property, high current carrier migration rate, strong absorbance and wide light absorption range, and the use ratio of the porphyrin-anthracene organic semiconductor material on sunlight is improved. In addition, the preparation method has a simple technology and is easy to operate and control.

The present invention discloses a thermosetting resin composition, which comprises (calculated as the solid weight): (a) 10-80 parts of a hydrocarbon resin, (b) 20-100 parts of maleimide ester, (c) 0.1-8 parts of an initiator, and (d) 5-100 parts of an epoxy resin. According to the present invention, the maleimide ester having the polyfunctional long-chain structure and the rigid imide ring is used and is matched with the hydrocarbon resin having the flexibility to form the thermosetting composition, such that the thermosetting resin composition and the prepared printed circuit prepreg and laminated plate produced by using thermosetting resin composition have characteristics of excellent dielectric property, excellent heat resistance, excellent adhesion, excellent flame retardancy, excellent flexural strength, excellent toughness, high peel strength, low water absorption, excellent processability and the like through the interaction between the hydrocarbon resin and the maleimide ester.

The invention discloses a triphenylamine unit porphyrin copolymer with a molecular structural general formula (I) in the specification as well as a preparation method and application thereof. In the formula (I), R1, R2, R3 and R4 are selected from alkyls of C1-C32; and n is an integer ranging from 1 to 100. The triphenylamine unit porphyrin copolymer has the advantages of favorable electronic buffer property, photoelectric magnetism, rigidity and flexibility as well as better heat stability, environment stability, dissolution performance and film forming processing property. The preparation method of the triphenylamine unit porphyrin copolymer has the advantages of simplicity, mild reaction conditions, high yield and easiness for operation and control, and is suitable for the field such as solar cells and the like.

The invention belongs to the field of optoelectronic materials and discloses a metalloporphyrin-thienothiadiazole organic semiconductor material and a preparation method and application thereof. The metalloporphyrin-thienothiadiazole organic semiconductor material has a structural formula (P) shown in the specification, wherein in the formula, n is an integer from 1 to 100; R1, R2, R3 and R4 are H, C1-C32 alkyl, phenyl and alkylbenzene or alkoxy benzene containing one or more C1-C32; and M is a metal ion. The metalloporphyrin-thienothiadiazole organic semiconductor material has good film-forming property, strong absorbance and wide light absorption range, thus improving the sunlight use ratio of the material. The material also has better heat stability and environmental stability. Besides, the preparation method is simple in process and easy to operate and control.

The invention discloses a preparation method of a siloxane-terminated polyether-type lithium battery adhesive, which comprises the following steps: 1) adding a solvent and a cyanate to a reaction bottle for stirring and mixing, then adding a phase transfer catalyst, and raising the temperature to 70-100°C, constant temperature for 30 minutes to activate and disperse evenly; 2) respectively add metered chlorosilane and polyether-based alcohol or chlorosilane and polyester-based alcohol to the activation reaction solution in step 1), due to the exothermic The reaction temperature is raised to 90-120° C., and the temperature range is maintained for 6-8 hours. After the reaction, the filtrate is obtained by cooling down to room temperature and filtered; the solvent is removed to obtain the siloxane-terminated polyether lithium battery adhesive. The siloxane-terminated polyether lithium battery adhesive of the invention has simple preparation method, low cost, high efficiency and fast adhesion, and is easy to be industrialized. The prepared siloxane-terminated polyether for lithium battery electrode bonding can improve the high efficiency, high and low temperature resistance, stable charge and discharge efficiency and adhesion of lithium batteries.

The invention discloses a radiation protection mortar used for isolating nuclear leak. The radiation protection mortar comprises the following ingredients in parts by weight: 10-20 parts of cement, 6-10 parts of mineral powder, 25-40 parts of river sand, 8-10 parts of a dispersed latex powder, 8-15 parts of barite particles, 6-10 parts of polyphenyl ether, 8-12 parts of nano-lead particles, 8-12 parts of polyvinylidene fluoride, and 10-15 parts of graphite particles. The invention aims at providing the radiation protection mortar used for isolating nuclear leak, the radiation protection mortar used for isolating nuclear leak has the characteristics of excellent rigidity and flexibility, good structure stability at high temperature state, corrosion resistance and wear resistance, is not layered, does not segregate, and does not sagging; a wall body built from the radiation protection mortar can isolate and shield alpha rays, beta rays and gamma rays in nuclear radiation, and the harm of the nuclear radiation on people or materials on the other side of the wall body is greatly reduced.

The invention discloses a thermosetting resin composition, which, in parts by weight, comprises: (a) epoxy resin: 100 parts; (b) unsaturated polyester active ester resin represented by structural formula (1): 50-200 parts (c) Resin containing both maleimide group and vinyl group as shown in structural formula (2): 10-200 parts by weight; (d) Cyanate resin: 10-200 parts; (e) Acceleration Dosage: 0.05~4 servings. The present invention combines epoxy resin, maleimide resin, cyanide resin through the reactivity of unsaturated bond between unsaturated polyester active ester, resin containing maleimide group and vinyl group at the same time, and cyanate ester. The ester resin is effectively combined in a resin system, so that the resin composition has excellent dielectric properties, heat resistance, strength, rigidity and flexibility, high peel strength, low water absorption, and small thermal shrinkage after curing. For high-speed, high-frequency printed circuit boards.

The invention which belongs to the photoelectron material field discloses a metalloporphyrin-thienopyrazine organic semiconductor material, a preparation method thereof and an application thereof. The structural formula of the metalloporphyrin-thienopyrazine organic semiconductor material is represented by formula (I). In the formula (I), n is an integer between 1 and 100; R1, R2, R3 and R4 are H, C1-C32 alkyl, phenyl and alkylbenzene or alkoxybenzene containing one or more C1-C32 respectively; and M is a metallic ion. The metalloporphyrin-thienopyrazine organic semiconductor material provided in the invention, which has a wide light absorption range, allows the utilization rate to sunlight to be improved and has the advantages of good thermal stability and good environment stability. In addition, the preparation method of the material has the advantages of simple process, easy operation and easy control.