11 results about "APAO" patented technology

The invention provides a hot melt adhesive and a preparation method thereof, and relates to the technical field of adhesives. According to the hot melt adhesive, amorphous polyolefin (APAO) is used as a main body, ethylene-vinyl acetate copolymer (EVA) is added as a compatilizer, and Fischer-Tropsch wax is used as a viscosity modifier. The preparation method comprises the following steps: firstly synthesizing a dopamine functional polymer, and then carrying out melt blending on the dopamine functional polymer, APAO, EVA, tackifying resin and other components so as to stably introduce a catechol group into a hot melt adhesive system. When the hot melt adhesive is bonded with a metal surface, the catechol group can form a firm coordinate bond with metal ions, so that the adhesive force is greatly improved. The product provided by the invention has high adhesive force, excellent flexibility, good compatibility and construction performance, and is suitable for bonding and sealing metal materials.

The invention discloses a low-polarity hot-melt pressure-sensitive adhesive, which is prepared from the following raw materials in percentage by weight: 50 to 70 percent of APAO polyolefin, 10 to 25 percent of alkane wax, 20 to 30 percent of petroleum resin and 0.1 to 1 percent of antioxidant. The APAO polyolefin with different melt viscosities and different molecular weights at 90 DEG C is adopted, so that the cohesion, flexibility and thermal stability of the colloid can be remarkably improved, and the problem of high-temperature flowing or low-temperature embrittlement generated by the APAO polyolefin with single performance is avoided. According to the invention, the balance between the low viscosity of 3000 + / -300cps at 150 DEG C and the high softening point of more than or equal to 120 DEG C is realized. And moreover, the quick opening time and the wide temperature range adaptability are considered, and the film covering performance of plastic films such as BOPP, PET and PE is improved.

The invention relates to the technical field of photovoltaic module packaging materials, and particularly discloses a novel butyl hot melt adhesive and a preparation method thereof.The novel butyl hot melt adhesive is prepared from, by weight, 60-80 parts of polyisobutene, 15-20 parts of APAO, 5-15 parts of resin particles, 1-5 parts of silane coupling agent and 0.5-2 parts of antioxidant; the resin particles and the silane coupling agent in a specific proportion are introduced into a conventional butyl rubber formula, the bonding performance is remarkably improved, the viscosity and interface wettability of the butyl rubber are enhanced through the resin particles, and the packaging cost is greatly reduced; while the bonding performance is improved, the air tightness, the water tightness and the high and low temperature resistance of the butyl rubber are not influenced, and the environmental requirement of long-term outdoor use of the photovoltaic module is met.

The invention discloses a multi-layer composite hot melt adhesive film and a preparation process thereof and a composite board, and relates to the field of adhesives, the multi-layer composite hot melt adhesive film comprises a low-temperature layer, a high-temperature layer and a core layer, the low-temperature layer is used for being bonded with PET, the high-temperature layer is used for being bonded with metal, the core layer is used for being bonded with the low-temperature layer and the high-temperature layer, the low-temperature layer is a modified polyolefin hot melt adhesive film, and the high-temperature layer is a modified polyolefin hot melt adhesive film. The high-temperature layer is a polyolefin hot melt adhesive film; the core layer comprises the following raw materials in parts by weight: 26-32 parts of ethylene-vinyl acetate copolymer; 40 to 48 parts of an amorphous plastomer APAO; 2-4 parts of a polypropylene-alkenyl-containing epoxy compound copolymer; 5-8 parts of nylon type copolyamide; 1 to 3 parts of a silane coupling agent KH-550; the nylon type copolyamide is a polymer of nylon 12 and caprolactam. According to the prepared hot melt adhesive film, the PET layer and the metal plate are bonded together, the bonding strength is high, and water resistance, high temperature resistance and corrosion resistance are achieved.

The application provides a polyphosphoric acid-polymer composite modified asphalt and a preparation method thereof. The asphalt comprises the following components by weight parts: 100 parts of base asphalt, 0.5-3 parts of polyphosphoric acid, 0.1-0.5 parts of a stabilizer, 2-5 parts of a bio-based plasticizer, 5-15 parts of elastomer particles, 0.5-2 parts of nano-enhanced fillers, 1-5 parts of SEBS, 2-5 parts of APAO and 1-3 parts of organic montmorillonite. The base asphalt is modified by various modifiers, so that the modified asphalt has excellent low-temperature performance.

The present application relates to the technical field of sealant, in particular to a kind of encapsulating material for photovoltaic module and preparation method thereof.By percentage of weight, component includes: APAO 10-20%, polyisobutylene 10-20%, butyl rubber 2-8%, silane coupling agent 0.1-2%, antioxidant 0.1-4%, filler makes up the rest, the water vapor transmission rate of the encapsulating material under 38 DEG C, 90%RH is not higher than 0.02g / (m 2 ·24h).The encapsulating material for module provided by the present application has excellent weather resistance, air tightness and chemical stability, can effectively prevent the erosion of moisture and oxygen and the like to photovoltaic module, thereby improving the service life and power generation efficiency of module.

The present application relates to the technical field of adhesive, and provides a hot melt adhesive containing polyolefin and wax and a preparation method thereof, which comprises the following components in parts by weight: naphthenic oil 0-15 parts by weight, white oil 0-10 parts by weight, SBS rubber 5-20 parts by weight, SIS rubber 5-25 parts by weight, amorphous polyolefin elastomer (APAO) 0-15 parts by weight, polypropylene (PP) 0-10 parts by weight, wax 0-10 parts by weight, hydrogenated petroleum resin 15-55 parts by weight, rosin resin 1-10 parts by weight, and antioxidant 0.01-1 parts by weight. The present application solves the problems of poor bonding effect and poor low-temperature resistance of most hot melt adhesives on the market on materials such as kraft paper, copper plate paper, corrugated paper, laminated packaging paper, non-woven fabric and cotton fabric.

Compositions comprising: (a) from 0.05% to 50% by weight of at least one amorphous poly-alpha-olefin (APAO) having chains with an average maximum end-to-end distance (Rmax) greater than or equal to 1.6*10-6 m; (b) from 35% to 95% by weight of a liquid phase selected from: vegetable oils, synthetic organic esters, linear or branched saturated hydrocarbons, aromatic hydrocarbons, and mixtures thereof; (c) from 0 to 15% by weight of an anti-sticking agent; the weight percentages being calculated on the basis of the total weight of the composition. The APAOs are obtained by a polymerization process of at least one alpha-olefin monomer, carried out at a temperature not higher than 40°C, by using a catalytic system comprising (i) a bimetallic catalyst containing: titanium in the oxidation state +3 (Ti(III)), and optionally titanium in the oxidation state +4 (Ti(IV)); and at least one metal selected from hafnium in the oxidation state +4 (Hf(IV)) and zirconium in the oxidation state +4 (Zr(IV)); and (ii) at least one organoaluminum co-catalyst. Such compositions have a drag reduction effect higher than that achieved by using amorphous poly-alpha-olefins synthetized by means of conventional Ziegler Natta catalytic systems containing only titanium and aluminum as metals.

The invention belongs to the field of hot melt adhesives, and particularly relates to a hot melt adhesive as well as a preparation method and application thereof. The hot melt adhesive disclosed by the invention is an A-B double-component reactive polyolefin hot melt adhesive, the A component contains amorphous-alpha-polyolefin copolymer (APAO) with three different softening points and maleic anhydride grafted resin, and the B component comprises two acrylate monomers, namely TMPTMA and TMPTA, so that the hot melt adhesive has better adhesive property, and the hot melt adhesive has the advantages of high temperature resistance, high heat resistance, high heat resistance and the like. Various materials such as PP (polypropylene), ABS (acrylonitrile butadiene styrene), PC (polycarbonate), PVC (polyvinyl chloride), paint, textile fabrics, non-woven fabrics and the like can be adhered, and the application range to base materials is wide; meanwhile, the hot melt adhesive is good in high and low temperature resistance and long in opening time, and long construction time is provided under the condition that the requirement for heat resistance is met; in addition, the hot melt adhesive disclosed by the invention is low in viscosity, relatively appropriate in softening point and more convenient to construct.

The invention provides a packaging adhesive film and a preparation method and application thereof, the packaging adhesive film comprises a first EVA layer, a middle POE layer and a second EVA layer, the first EVA layer and the second EVA layer are prepared from the following raw materials: 80-99 parts of EVA resin, 0.01-0.1 part of a charge dissipation agent, 0.1-2 parts of a first cross-linking agent, 0.1-2 parts of a modified assistant cross-linking agent, 0.1-1 part of a silane coupling agent and 0.01-0.2 part of a first light stabilizer; the second EVA layer further comprises 0.01 to 0.2 part of an ultraviolet light absorber; the middle POE layer is prepared from the following raw materials: 60 to 80 parts of POE resin, 10 to 20 parts of modified POE resin, 10 to 20 parts of APAO resin, 0.1 to 2 parts of a second cross-linking agent, 0.1 to 2 parts of an assistant cross-linking agent and 0.01 to 0.2 part of a second light stabilizer. The packaging adhesive film has the advantages of excellent anti-PID performance, low haze and low auxiliary agent migration.