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55results about How to "Improve permanence" patented technology

Organic-inorganic composite nanoparticle super-hydrophilic modified polymer film and preparation method therefor

ActiveCN105013356AReduce water penetration resistanceImprove anti-pollution abilitySemi-permeable membranesOrganic inorganicSewage treatment
The invention relates to the technology of film separation, and aims to provide an organic-inorganic composite nanoparticle super-hydrophilic modified polymer film and a preparation method therefor. The polymer film contains a super-hydrophilic polyester modified organic silicon material, organic-inorganic composite nanoparticles are uniformly distributed on the cross section, outer surface layer and inner surface layer of the polymer film, and the polymer film is of a gradient micro-nano beaded network structure; and the super-hydrophilic polyester modified organic silicon material contains Si-C bond joint type super-hydrophilic polyether functional group. The polymer film can realize water increment speed difference at different components, and thus the organic-inorganic composite nanoparticle super-hydrophilic modified polymer film of a gradient pore structure is prepared. The polymer film can realize accurate control for the polymer film pore structure, and meets diversified using environments. The polymer film has the advantages of super hydrophily, excellent hydrophilic durability, ultra-low pressure or zero over-film pressure ultrahigh water flux and ultrahigh antipollution performance, and can be widely applied to drinking water deep purification, industrial sewage treatment, edible drink concentration separation and oil-water separation.
Owner:江苏巨之澜科技有限公司

Special material for electrostatic discharge floor and preparation method of material

The invention discloses a special material for an electrostatic discharge floor and a preparation method of the material. The material is prepared from components in parts by weight as follows: 100 parts of PVC resin, 15-22 parts of chlorinated polyethylene modified resin, 7-13 parts of dioctyl terephthalate, 8-15 parts of epoxidized soybean oil, 6-12 parts of an environment-friendly antistatic agent, 85-105 parts of light calcium carbonate, 5-8 parts of a calcium-zinc stabilizer, 0.2-3 parts of a lubricant and 2-5 parts of titanium dioxide. By means of addition of light calcium carbonate, cost can be saved, and glossiness and heat resistance of product surface can be improved; under cooperation of lubricant G32, polyethylene resin, stearic acid and the environment-friendly antistatic agent, a uniform antistatic effect is realized, and the permanent antistatic performance of the product can be improved; under joint action of the chlorinated polyethylene modified resin, dioctyl terephthalate and the epoxidized soybean oil, the permanent antistatic performance of the product is further improved.
Owner:ZHEJIANG DEYU TECH

TPO thermoplastic polyolefin polymer non-asphalt-based self-adhesive-film waterproof coiled material and preparation method thereof

The invention provides a TPO thermoplastic polyolefin polymer non-asphalt-based self-adhesive-film waterproof coiled material and a preparation method thereof. The waterproof coiled material comprises a polyester fabric tire base, a TPO thermoplastic polyolefin polymer base material and a non-asphalt-based self-adhesive glue according to a mass ratio of (15-20): (20-45): (20-45), wherein the TPO thermoplastic polyolefin polymer base material comprises polypropylene, ethylene propylene rubber, a light stabilizer, a flame retardant and an antioxidant, and a mass ratio of the polypropylene to the ethylene propylene rubber to the light stabilizer to the flame retardant to the antioxidant is (35-45): (55-65): (5-10): (6-8): (7-11); and the non-asphalt-based self-adhesive glue comprises styrene butadiene rubber, styrene butadiene rubber, a polyhydroxy polymer, a tackifier and an anti-ultraviolet agent, wherein a mass ratio of the styrene butadiene rubber to the styrene butadiene rubber to the polyhydroxy polymer to the tackifier to the anti-ultraviolet agent is (100-140): (80-100): (3-5): (10-14): (2-5). The waterproof coiled material is more stable in chemical performance and high in cohesiveness with post-poured concrete during construction.
Owner:广东禹能建材科技股份有限公司

Golf ball having reduced surface hardness

ActiveUS20100227709A1Increased free volumeSoften the crosslinked networkPretreated surfacesGolf ballsEngineeringHardness
The invention is directed to a method of making a golf ball comprising the steps of: providing a core comprising at least one layer; forming a cover about the core comprising at least one cover layer comprising a cover inner surface and a cover outer surface and having a thickness D; treating the cover outer surface with a fatty acid and / or fatty acid salt composition and forming a treated cover region which extends inward from the cover outer surface a penetration depth DCTr, an untreated cover region being disposed between the cover inner surface and the treated cover region and having a depth (DCUTr)=(D)−(DCTr); wherein the treated cover region has a hardness α and the untreated cover region has a hardness β different than the hardness α. In another embodiment, the method may alternatively comprise the step of treating the cover inner surface with a fatty acid and / or fatty acid salt composition and forming a treated cover region which extends inward from the cover outer surface a penetration depth DCTr, an untreated cover region being disposed between the cover inner surface and the treated cover region and having a depth (DCUTr)=(D)−(DCTr); wherein the treated cover region has a hardness α and the untreated cover region has a hardness β different than the hardness α. In yet another embodiment, the method of making the golf ball comprises the steps of providing a core comprising at least one layer; forming a cover about the core comprising at least one cover layer comprising a cover inner surface having a hardness β and a cover outer surface having a hardness α; treating the cover outer surface with a fatty acid and / or fatty acid salt composition and forming a treated cover outer surface comprising the fatty acid and / or fatty acid salt composition wherein the treated cover outer surface has a hardness α′ different from hardness α; and wherein hardness β is different than at least one of hardness α and hardness α′.
Owner:ACUSHNET CO

Extraction device for collecting blood samples, including a catheter and a safety system

InactiveUS20150165165A1Avoid any accidental puncture woundImprove permanenceGuide needlesSensorsTaking blood samplePuncture Wound
The Extraction Device for Collecting Blood Samples, including a Catheter and a Safety System in which a flexible catheter instead of a metallic cannula with sharp edges for extracting blood is presented. This catheter is inserted through a traditional cannula, which retracts once the catheter is inside the vein, by means of a spring and safety latch mechanism, retaining the cannula within a rigid housing. The retracted cannula remains immobile within the rigid housing thus avoiding reutilization of the devise and accidental puncture wounds during its disposal. This EDCBSCSS has the advantages of (a) reducing it) or eliminating the use of a metallic cannula with sharp edges, which remains inside the vein during the entire procedure; (b) using a plastic cannula or catheter for extracting the blood sample which provides greater comfort for the patient and the assurance that the cutting element has been disabled; (c) possessing a safety system for medical personal so that after the procedure no accidental puncture wounds occur and (d) being easy to handle. The EDCBSCSS is made up of three sequential operational systems, which are the puncturing and retracting system which are located within housings (4) and (5) and are comprised of (1) a puncturing cannula; (2) a catheter; (3) a catheter space, (9) a spring and (8) a safety latch.
Owner:EQUIPOS MEDICOS VIZCARRA

Multi-level air-flowing type industrial photocatalyst floor

The invention discloses a multi-level air-flowing type industrial photocatalyst floor and belongs to the field of photocatalyst floors. A plurality of multi-level air-flowing tables are arranged in the floor, and thus inner jet flow mechanisms and outer jet flow mechanisms in the floor are triggered due to treading in the walking process of people, so that on one aspect, outside air constantly flows in and out of the interiors of the multi-level air-flowing tables due to the pressure intensity changes brought by the outer jet flow mechanisms, the mobility of the outside air is enlarged, and sufficient purification of the outside air by photocatalyst layers is achieved; and on the other aspect, an air flowing process is achieved between the multi-level air-flowing tables and the parts adjacent to the peripheries of the multi-level air-flowing tables due to the air flow changes brought by the inner jet flow mechanisms, and thus flowing of outside air adjacent to the multi-level air-flowing tables is intensified accordingly, so that multiple effects are promoted through one component, the mobility of the surrounding air near the photocatalyst layers is further improved, the purifyingeffect is effectively improved, and the photocatalyst layers are not likely to be stripped by abrasion borne in the walking process of people.
Owner:文家洪
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