60results about How to "Short bonding time" patented technology

An anisotropic conductive adhesive that provides strong adhesion to metals and organic substrates to generate stable and reliable electric interconnects. The adhesive provides the benefits of short thermocompression bond time at low temperatures. The adhesive contains cationic curable resin, latent cationic catalyst that thermally cures the resin at high speeds and low temperatures, conductive filler, optionally a film forming thermoplastic solid resin and optionally nano size filler. The optional nano filler provides the benefit of reducing the coefficient of thermal energy mismatch, improving the adhesion strength and reducing the total heat of reaction for the system.

The invention discloses a double-component silicone structural sealant for heat mirror hollow glass and a preparation method of the sealant. The sealant comprises a component A and a component B, wherein the component A comprises hydroxyl-terminated polydimethylsiloxane, alkyl-terminated polydimethylsiloxane, hollow microsphere, ceramic microbead, metal hydroxide, metal oxide, activated calcium carbonate, inorganic pigment and a surfactant; the component B comprises alkyl-terminated polydimethylsiloxane, a coupling agent, a cross-linking agent, a catalyst, an inhibitor, a thickening agent, and silicon dioxide. The preparation method of the sealant comprises the following steps: 1) taking each ingredient in the component A to be mixed uniformly under the vacuum condition; 2) taking each ingredient in the component B to be mixed uniformly under the vacuum condition; 3) mixing the component A and the component B at room temperature according to the weight ratio of (8:1) to (20:1), and at last obtaining the sealant. The double-component silicone structural sealant is good in adhesiveness, high in curing speed, good in sealing performance, high in hardness and modulus, and excellent in thermal barrier effect, and suitable for sealing and bonding of heat mirror film, glass and metal materials etc.

The invention discloses a polymer represented by a formula I as well as a preparation method and application of the polymer. In the formula I, the molecular weight is 50000-120000; the ratio of x to y is 1:(0.25-0.75); n is 10-50; n1=2 or 3; R1 is any one selected from the group of C1-C4 alkyl and phenyl; and R2 is anyone selected from the group of groups represented by a formula II and a formula III. The preparation method comprises the step of reacting N-(3-amino alkyl) methacrylamide hydrochloride containing amino, dyhydroxyl substituted ortho aromatic aldehyde, phosphite ester and methylacrylic acid polyethylene glycol single methyl ether in an organic solvent in the presence of triethylamine, an initiator and a chain transfer agent. The macromolecular adhesive prepared by the invention is a water-based adhesive, which is mussel-mimetic and environmentally friendly; the macromolecular adhesive is applied to adhering among a plurality of substrates; adhesion can be realized under a variety of conditions; the macromolecular adhesive has good adhesive power; furthermore, the macromolecular adhesive is simple in preparation method, abundant in raw material source and low in cost; and therefore, the macromolecular adhesive is a potential excellent adhesive material.

Provided are adhesive compositions comprising a mixture of a maleimide terminated polyimide resin, a thermoplastic resin compatible with the maleimide terminated polyimide resin, a liquid rubber, and a thermally activated free radical curing agent. Various embodiments add one or more of a silane coupling agent, an ethylenically unsaturated compound with acid functionality, electrically conductive particles, and electrically conductive scrim. Methods of using the compositions also are provided.

The embodiment of the invention discloses a pillow type packaging machine which comprises a limiting belt containing unit. The limiting belt containing unit is arranged at one end, for membrane feeding, of a packaging unit and comprises a first membrane containing roller. Limiting belts are overlaid on packaging membranes. By means of the packaging machine, processing and production of a pillow type packaging assembly line provided with the limiting belts can be achieved, the structure is simple, cost is low, stability is high, and the packaging quality is effectively improved.

A method is provided for bonding a substantially planar sheet material to a corrugated sheet material, both of which are porous using a continuous process, the method including:

• • a) applying a controlled amount of adhesive to an apex contact portion of the corrugated sheet material; and
  • b) holding the respective planar and corrugated sheets together at a specified pressure and for a specified pressing period so that a bond is formed between them.

The invention belongs to the technical field of equipment and materials of kitchens and bathrooms and particularly relates to a burst-proof non-toxic protective layer for a valve core of a water faucet. The burst-proof non-toxic protective layer for the valve core of the water faucet, provided by the invention, has the advantages that the valve core of the water faucet can be prevented from bursting and the surface of the valve core is prevented from corrosion. The burst-proof non-toxic protective layer for the valve core of the water faucet comprises a water faucet valve core and a protectivelayer, wherein the water faucet valve core is smeared with the protective layer; and the protective layer is prepared from the following raw materials in percentage by mass (100%): 10% of gypsum powder, 10% of talcum powder, 5% of blockage preventer, 25% of glass glue, 0.5% of strengthening agent and 49.5% of iron sand. The burst-proof non-toxic protective layer achieves the effects of preventingbursting, preventing corrosion and prolonging the service life of the valve core.

The invention provides a polarimeter attaching device, comprising: polarimeter supporting part for supporting the polarimeter whose attached the protective film on at least one surface to the predetermined work position for separating protective film; protective film separating head unit which couples to one side of the polarimeter supporting unit and is able to move together with the polarimeter supporting unit to the work position and separate the protective film and polarimeter. The protective film separating unit comprises: unit main body; supporting roller coupling to the unit main body and supporting adhesive band; collecting roller supporting and collecting the exhausted adhesive band in the position separated from the supporting roller; and contacting roller forming adhesive band in the terminal port of the unit main body and moving from the supporting roller to the collecting roller and allowing the adhesive band contacting protective film. When the adhesive band is fixed on unit main body coupling the supporting roller, collecting roller and contacting roller, the protective film separating head unit may detachably couple to the predetermined head unit supporting portion.

The invention discloses a novel universal adhesive, which is prepared by mixing the following materials: 20-25 parts of a vinyl acetate copolymer resin, 1-3 parts of 4-hydroxyphenyl, 6-8 parts of epoxy acrylate, 7-9 parts of dimethyl carbonate, 10-14 parts of a polyvinyl alcohol solution, 3-5 parts of triethanolamine, 8-10 parts of a phenol resin, and 9-12 parts of dichloromethane. The novel universal adhesive of the present invention has characteristics of strong adhesive force, good impact resistance, low sensitive and irritating odor, no damage to human health, good environmental protectionand strong anti-oxidation ability.

The invention discloses a utensil for congou art and particularly discloses a wooden tea art holder capable of balancing two clamping arms by rotating in the use process. In the specific embodiment of the invention, the wooden tea art holder comprises two clamping arms and an elastic clamping sleeve, wherein an arc-shaped bent part is formed at the inner side of the top of each clamping arm, and the two clamping arms are oppositely combined, so the two arc-shaped bent parts are in butt-joint; the elastic clamping sleeve is in the gradual necking shape from bottom to top, the elastic clamping sleeve is sleeved at the top parts of the two clamping arms, the upper end of the elastic clamping sleeve is tightly pressed on the tail ends of the top parts of the two clamping arms, so that the tail ends of the top parts of the two clamping arms are fitted, and the lower side at the oppositely-combined position of the two clamping arms is in natural opening state. According to the wooden tea art holder, the problem that the clamping arms are easily broken due to usual greater deformation is overcome, the structure is very simple, the fabrication time and material are saved, and the service life of products is facilitated to be prolonged.

The invention discloses a bonding process for a target material for liquid crystal display, a semiconductor and electronics. The bonding process comprises the following sequentially performed steps that a bonding material preparation step is performed, wherein a pure metal indium wire is prepared; a plasma spraying step is performed, wherein the prepared pure metal indium wire is placed into a plasma spraying device to be heated to be in a molten state, and the molten-state pure metal indium is correspondingly sprayed on the corresponding surfaces of the target material and a back plate through the plasma spraying device; and a bonding step is performed, wherein the target material and the back plate which are subjected to surface spraying are bonded, and a preset pressure is applied to the upper surface of the bonded finished product for cooling. According to the bonding process, the oxidation of the bonding material can be reduced.

A compatibilizing agent is described for a mixture of

(1) a polyester polyol containing units derived from

• • at least one aliphatic dicarboxylic acid (A) having n carbon atoms (10≦n≦20) and
  • at least one aliphatic diol having k carbon atoms (2≦k≦12) and

(2) a polyester polyol containing units derived from

• • at least one aliphatic dicarboxylic acid (B) having m carbon atoms (2≦m≦9) and
  • at least one aliphatic diol having k carbon atoms (2≦k≦12),

the compatibilizing agent containing a polyester polyol which contains units derived from

at least one aliphatic dicarboxylic acid (A) having n carbon atoms (10≦n≦20),

at least one aliphatic dicarboxylic acid (B) having m carbon atoms (2≦m≦9), and

at least one aliphatic diol having k carbon atoms (2≦k≦12)

and in which the ratio of ingredient (A) to ingredient (B) used is from 90:10 to 10:90 in terms of molar ratio (provided that n-m≧4).

The invention discloses an adhesive for metal glue joint. The adhesive comprises, by weight, 20-30 parts of butadiene rubber based magneto-rheological elastomers, 10-20 parts of fully-vulcanized superfine powder butadiene styrene rubber, 10-20 parts of 4, 4'-diphenyl-methane-diisocyanate, 6-12 parts of polytetrahydrofuran polyether, 12-18 parts of organic attapulgite/polyurethane elastomer nanocomposite, 8-15 parts of plant glue, 2-5 parts of coupling agents and 1-3 parts of initiating agents. By means of the adhesive for the metal glue joint, the adhesion is highly firm, the adhesion time is short, and the volatilization of harmful substances can not occur.

The invention discloses a wardrobe door plate machining method and machining equipment. The wardrobe door plate machining method comprises the following steps that a door plate is pretreated, specifically, the door plate is manufactured into a structure comprising an outer frame, a belly plate arranged in the outer frame and a wood veneer arranged on the periphery of the outer frame, and the end face of the wood veneer exceeds the outer frame by a certain distance; the belly plate and leather are placed in the wardrobe door plate machining equipment to be subjected to hot pressing for 3-5 min,the hot pressing temperature ranges from 70 DEG C to 80 DEG C, and the pressure intensity ranges from 100 Pa to 120 Pa; and a metal strip is installed at the junction of the periphery of the leatherand the outer frame, and a metal strip is installed at the junction of the outer frame and the wood veneer. According to the machining equipment, a hot-pressing compound machine performs hot pressingon the belly plate and the leather, so that the bonding time of water-based adhesive can be shortened, and the machining efficiency is improved.