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4results about How to "Improve polymerization effect" patented technology

Silicone emulsions, preparation and methods for dehydrating and shaping waterlogged wooden artifacts

ActiveCN117186411Breduce usageShorten dehydration and styling time
The application discloses an organic silicon emulsion, a preparation method and a method for dehydrating and shaping water-saturated wooden cultural relics, and relates to the field of water-saturated wooden cultural relic protection research.The preparation method of the organic silicon emulsion comprises the following steps: taking 2-5 parts of organic silicon monomer, 1-3 parts of a surfactant, 0.3-1 parts of a co-surfactant and 3-6 parts of pure water for standby; the surfactant and the co-surfactant are added into the organic silicon monomer, and uniform stirring or oscillation is continuously carried out to form a transparent organic silicon dispersion liquid; and the organic silicon dispersion liquid is poured into the pure water, and sufficient stirring or oscillation is carried out to form a stable organic silicon emulsion.The organic silicon emulsion material prepared by the application has good dehydrating and shaping performance, and can significantly enhance the dimensional stability, mechanical properties, microbial resistance and environmental stability of the cultural relics, and is environment-friendly and efficient.
Owner:UNIV OF SCI & TECH BEIJING

Episulfide composition, polymerizable composition, cured product, and optical material

PendingEP4397693A4Improve polymerization effectHydropoly/poly sulfide preparationOptical elements
An episulfide composition, including: an episulfide compound (A) that comprises an episulfide ring, and a polysulfide bond in which three or more sulfide bonds represented by - S- are linked together; and an episulfide compound (B) that comprises an episulfide ring and a (di)sulfide bond but not the polysulfide bond, wherein the content of the episulfide compound (A) is 100 ppm by mass or more with respect to a total amount of the episulfide composition.
Owner:MITSUI CHEMICALS INC

Monomer for optical member, polymerizable composition for optical member, cured product, eyeglass lens, and method for producing monomer for optical member

PendingEP4410782A4polymerizability is improvedImprove polymerization effectOrganic chemistryCoatings
One embodiment according to the present disclosure relates to a monomer for an optical component, including: a compound represented by the formula (1), in which a pH obtained through a pH measurement method below is 4.0 to 7.5. (pH Measurement method) 80 g of a sample, 80 mL of toluene, and 250 mL of water are mixed together in a liquid separation funnel, an aqueous phase is separated off, and the pH of the aqueous phase is measured.
Owner:HOYA LENS THAILAND LTD

Adaptive quantization decentralized learning method and system for heterogeneous edge devices

The present application belongs to the technical field of distributed machine learning and edge intelligence, and discloses a self-adaptive quantization decentralized learning method and system for heterogeneous edge devices. The present application is directed to a plurality of edge devices with heterogeneous computing resources, heterogeneous storage capabilities and time-varying communication links. Under the condition of no central server participation, through training parameter and communication relationship initialization, training quantization scale self-adaptive determination, low-precision local training, communication quantization scale self-adaptive determination, quantization model information exchange and neighbor aggregation update, decentralized collaborative learning is completed. The present application can simultaneously alleviate the resource limitation problem of heterogeneous edge devices in the training stage and the communication stage, ensure the implementability of decentralized collaborative learning, improve resource utilization efficiency and improve model convergence stability.
Owner:SHANDONG UNIV