6 results about "Temperature sensitive polymer" patented technology

The invention relates to a binder, an electrode material and a battery. The binder comprises the following preparation raw materials: a temperature-sensitive polymer and a conductive agent, the temperature-sensitive polymer comprises at least one of polyalkyl pyrrole, polyalkyl thiophene, polymethyl methacrylate, ethylene-vinyl acetate copolymer, polypropylene or polyimide. The structure and properties of the temperature-sensitive polymer can be changed when the temperature rises, so that the conductivity, the adhesive property and the mechanical strength of the material are adjusted, the adhesive can automatically insulate reaction in a battery cell and prevent thermal runaway, and the adhesive is good in stability at high temperature, does not decompose or degrade to release toxic gas, and is safe and reliable. The safety performance of the product is greatly improved; by combining with the conductive agent, a network structure with strong adhesive force, good conductivity and high heat conduction efficiency can be formed, and the obtained adhesive has good adhesive force and conductivity at room temperature and excellent insulativity and safety performance at high temperature.

The invention discloses a temperature and humidity dual-response type liquid crystal screen display packaging material and a preparation method thereof, and application of the temperature and humidity dual-response type liquid crystal screen display packaging material in liquid crystal screen display packaging. According to the preparation method, organic silicon resin, a silane coupling agent modified nano SiO2 / Al2O3 composite material, an intelligent response additive PNIPAM / PEG, an ultraviolet light absorber, a silane coupling agent and auxiliaries are used as raw materials, and the packaging material is obtained through the processes of premixing, vacuum defoaming, low-humidity vacuum curing and the like. By introducing an intelligent response additive system containing a temperature-sensitive polymer and a humidity-sensitive polymer, the packaging material is endowed with the capability of actively sensing and responding to the change of ambient temperature and humidity, so that the real-time and reversible regulation and control of key properties such as modulus, hardness, barrier property and the like are realized. The packaging material can more effectively protect a liquid crystal layer in a complex and changeable environment, the display stability and reliability of a liquid crystal screen are remarkably improved, and the service life of the liquid crystal screen is remarkably prolonged.

The curcumin-magnesium-containing system comprises a matrix unit and an auxiliary crosslinking unit. The matrix unit is selected from at least one curable matrix of a photosensitive hydrogel, a temperature-sensitive polymer or a pH-responsive gel. And the auxiliary crosslinking unit comprises a biopolymer with an active functional group or a derivative thereof. Through verification, the system can maintain the biological activity of Cur and Mg < 2 + >, has the anti-tumor effect of remarkably enhancing microwave ablation, and provides a new strategy for adjusting the anti-tumor immune microenvironment after ablation and protecting pleural injury, so that a comprehensive treatment method is provided for tumor ablation treatment.

The invention discloses an oral controlled-release medicinal preparation and a preparation method thereof. According to the invention, by adopting multiple controlled release mechanisms such as the temperature-sensitive polymer, the pH-sensitive polymer and the sustained-release polymer, the fixed-point release of the medicine in the intestinal tract can be realized, so that the bioavailability and the treatment effect of the medicine are remarkably improved. According to the intelligent release system, the drug release rate can be adjusted according to small changes of the in-vivo environment, release of drugs at non-target parts is reduced, side effects are reduced, and the medication safety and comfort of patients are improved. The components such as the nano-hydroxyapatite and the enzyme-sensitive cross-linking agent can enhance the mechanical strength and stability of the pharmaceutical preparation, and further control of drug release is realized through enzyme-sensitive degradation. By means of the design, the stability of the medicine in the storage and transportation process is guaranteed, the medicine can be accurately released under the action of specific enzyme in the body, the requirement for personalized treatment is met, and a more accurate medicine treatment scheme is provided for patients.

The present application relates to a kind of binder, electrode material and battery, the binder includes the following preparation raw materials: temperature sensitive polymer and conductive agent;The temperature sensitive polymer includes at least one of polyalkyl pyrrole, polyalkyl thiophene, polymethyl methacrylate, ethylene-vinyl acetate copolymer, polypropylene or polyimide.The temperature sensitive polymer of the present application can change its structure and properties when temperature rises, thereby adjusting the conductive performance, bonding performance and mechanical strength of material, enabling the binder to automatically insulate the reaction in the battery, prevent thermal runaway from occurring, and the stability of the binder at high temperature is good, will not decompose or degrade to release toxic gas, greatly improve the safety performance of product;Combined with conductive agent, can form network structure with strong adhesion, good conductivity, heat conduction efficiency, the obtained binder has good adhesion and conductivity at room temperature, and excellent insulation and safety performance at high temperature.

A secondary battery according to one embodiment of the present disclosure includes: a jelly-roll type electrode assembly; a top insulator located at the top of the electrode assembly; and a bottom insulator located at the bottom of the electrode assembly, wherein at least one of the top insulator and the bottom insulator includes a temperature-sensitive polymer that swells in accordance with a temperature rise.