子分类：
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 101 | Solventless hot melt process for the preparation of pressure sensitive adhesives | US521921 | 1995-08-31 | US5914157A | 1999-06-22 | Daniel C. Munson; Andrew C. Lottes; Angelo Psellas; Denis A. Brisson |
| The incorporation of a non-thermosettable phenolic tackifying resin surprisingly provides improved solvent free, hot melt processing of hydrocarbon elastomers with crosslinking promoters to form pressure sensitive adhesive tapes. The tapes advantageously have a desirable balance of the properties of resistance to slow rate peel and fast rate peel adhesion. | ||||||
| 102 | Two component adhesive | US546065 | 1995-10-20 | US5610239A | 1997-03-11 | Richard Skelley |
| A two component adhesive comprising a natural or synthetic rubber first component and a second component capable of destabilizing the natural or synthetic rubber first component slowly can be utilized in conventional application equipment designed for applying single component adhesives is provided. | ||||||
| 103 | Method of hose-metal fitting attachment | US895721 | 1992-06-09 | US5297337A | 1994-03-29 | Shigeru Igarashi; Osamu Ozawa; Tetsu Kitami |
| Rubber compositions are disclosed for integral attachment of polymeric and metallic materials. Improved bondability is attributed to the use of a selected base rubber blended with a selected class of inorganic or organic fillers, silane compounds and vulcanizing agents such that the finished composition is provided with a specified range of Mooney viscosities. Also disclosed is a method of hose-metal fitting connection by the application of the composition. Gas- and oil-impermeability characteristics are greatly enhanced. | ||||||
| 104 | Pressure sensitive adhesive | US977580 | 1992-11-17 | US5274036A | 1993-12-28 | Ralf Korpman; Vera Korpman; Michael Korpman; Dennis Korpman |
| This invention relates to a novel pressure sensitive adhesive formed of a liquid and solid rubber which is substantially resin free. Preferably the adhesive is formed of a weight ratio of solid rubber to liquid rubber of about 1:0.5 to about 1:7. These adhesives exhibit improved adhesion in cold weather and oily surface applications and other properties. The pressure sensitive adhesives can be used in health care, industrial and drug delivery systems. | ||||||
| 105 | Rubber composition for polymer-metal bonding and method of hose-metal fitting attachment | US489029 | 1990-03-06 | US5149732A | 1992-09-22 | Shigeru Igarashi; Osamu Ozawa; Tetsu Kitami |
| Rubber compositions are disclosed for integral attachment of polymeric and metallic materials. Improved bondability is attributed to the use of a selected base rubber blended with a selected class of inorganic or organic fillers, silane compounds and vulcanizing agents such that the finished composition is provided with a specified range of Mooney viscosities. Also disclosed is a method of hose-metal fitting connection by the application of the composition. Gas- and oil-impermeability characteristics are greatly enhanced. | ||||||
| 106 | Silicone adhesive and organic adhesive composites | US265192 | 1988-10-31 | US5128394A | 1992-07-07 | Frank J. Traver; Duane F. Merrill |
| Organic pressure-sensitive adhesive and silicone pressure-sensitive adhesive composites have improved shear strength upon the addition of a silicone cross-linking agent. | ||||||
| 107 | Method for forming a crosslinkable pressure-sensitive adhesive construction containing a diorganopolysiloxane and an acyloxysilane | US687344 | 1991-04-18 | US5049616A | 1991-09-17 | John D. Blizzard; Terence J. Swihart |
| The invention relates to a method of contacting two components to form a pressure-sensitive adhesive (PSA) construction, wherein the first component comprises a conventional PSA and a hydroxy-functional diorganopolysiloxane and the second component comprises the same PSA and an acyloxysilane. The method provides improved adhesive bond strength over an unmodified PSA construction. | ||||||
| 108 | Pressure sensitive adhesive composition | US246981 | 1988-09-20 | US5028485A | 1991-07-02 | Adrianus C. P. van Hooijdonk |
| The invention provides a pressure sensitive adhesive composition suitable for skin contact and comprising a polymer, copolymer or mixture of polymers and/or copolymers and optionally usual additives, and further comprising 1-20% by weight, based on the total amount of the composition, of at least one silane compound. Preferably the silane compound contains at least one amino functional group. Further the invention relates to a pressure sensitive adhesive tape and medical accessories provided with the above described adhesive composition. | ||||||
| 109 | Radiation-cured rubber-based pressure-sensitive adhesive | US896127 | 1986-08-12 | US4820746A | 1989-04-11 | Cassandra S. Rice; Yukihiko Sasaki; Sebastian S. Plamthottam |
| Polythiol crosslinking agents are used in combination with electron beam and/or photoinitiator ultraviolet cure to enhance the high temperature shear properties of rubber-based pressure-sensitive adhesives. | ||||||
| 110 | Elastomer based adhesive compositions | US586638 | 1984-03-06 | US4497926A | 1985-02-05 | Lester T. Toy |
| A substantially solvent-free adhesive composition consists essentially of an elastomer and tackifier, a metal oxide and, optionally, a plasticizer. The elastomer is selected from the group consisting of polar elastomers and unsaturated elastomers which have at least 5 mole percent unsaturation, said elastomer being a non-crystalline elastomer or an elastomer which has a slow rate of crystallization such that after a time period of at least 100 hours has elapsed following subjecting the elastomer to a temperature of 70.degree. C. for 30 minutes, the elastomer has a room temperature Shore A hardness of less than 60. The adhesive compositions can be formed into a shaped article, such as of a tape, film, sheet or tubular sleeve, if desired. The compositions have high adhesive strength for bonding together a variety of substrates. The adhesive is particularly useful with a dimensionally recoverable article, such as a shrinkable sleeve, to bond the recovered sleeve to a substrate such as an electric cable. | ||||||
| 111 | Hot melt adhesive compositions | US196212 | 1980-10-14 | US4376179A | 1983-03-08 | Pawan K. Agarwal; Robert D. Lundberg |
| This invention relates to hot melt adhesive compositions which include a highly unsaturated hydrocarbon rubber, about 5 to about 100 parts by weight of a neutralized sulfonated elastomeric polymer per 100 parts by weight of the highly unsaturated hydrocarbon rubber, wherein the neutralized sulfonated elastomeric polymer has about 5 to about 50 meq. of neutralized sulfonate groups per 100 grams of the neutralized sulfonated elastomeric polymer, and about 25 to about 200 parts by weight of a hydrocarbon resin of a petroleum or coal tar distillate, aliphatic dienes and mono- and di-olefins, cyclic olefins of 5 or 6 carbon atoms and hydrogenated polycyclics per 100 parts by weight of the highly unsaturated hydrocarbon rubber. | ||||||
| 112 | Agent for forming cleaner cutting pressure sensitive adhesives | US168507 | 1980-07-14 | US4346189A | 1982-08-24 | Jacques J. Laurent |
| A pressure sensitive adhesive composition comprising the solids deposited from a mixture of solvents, synthetic rubber and tackifiers and also including a polysiloxane additive in about 6 to 10 percent of the resultant composition, which composition has reduced edge ooze or flow when on sheets subjected to a cutting action. | ||||||
| 113 | Odontologic compositions and preparation thereof | US79380 | 1979-09-27 | US4318742A | 1982-03-09 | Oddvin Lokken |
| Odontologic compositions suited for use as denture adhesives, the compositions containing a major amount of gum base and a quantity of a hydrophilic polymer to modify the adhesive properties of the gum base together with processes for producing such compositions. | ||||||
| 114 | Hot melt sealants | US796561 | 1977-05-13 | US4169822A | 1979-10-02 | Edward F. Kutch; Robert M. Meyers; Matthew M. Sitter |
| Solvent-free hot melt compositions for use as sealants, adhesives, caulking compounds or the like are produced by intimately blending elastomeric polymers with tackifying resins and plasticizers to obtain products having a hardness at room temperature of at least about 5 on the Shore A Durometer scale while being sufficiently soft at temperatures of about 150.degree. F. or higher to permit them to be easily extruded or otherwise applied. Adhesion promoters, lubricants, fillers and the like are preferably added to the composition to improve the properties thereof. The products are characterized by their stability over a wide range of temperatures, their resistance to oxidation and weathering, and their low moisture vapor transmission properties. | ||||||
| 115 | Hydrocarbon resins and process for preparing same | US628824 | 1975-11-04 | US4102834A | 1978-07-25 | Teijiro Morimoto; Isao Hashimoto; Yoshiyuki Iwase |
| A process for preparing a hydrocarbon resin which comprises copolymerizing (A) a hydrocarbon fraction boiling within the range of 130.degree. to 300.degree. C. obtained by cracking, reforming and/or refining petroleum with (B) dicyclopentadiene in the presence of a Friedel-Crafts catalyst in a proportion such that the resulting hydrocarbon resin contains, based on the total weight thereof, 20 to 80% of a unit derived from the dicyclopentadiene (B).A hydrocarbon resin having a number average molecular weight of 300 to 2500, a softening point of 40.degree. to 180.degree. C., a bromine number of 5 to 100 g/100 g, and a Gardner color hue of 5 to 17, prepared by the above process. This hydrocarbon resin is useful as an adhesive component of pressure-sensitive adhesives and hot-melt composition. | ||||||
| 116 | Pressure sensitive adhesive compositions | US655602 | 1976-02-05 | US4082705A | 1978-04-04 | Charles H. Beede; Theodore Blumig |
| Surgical pressure sensitive adhesive compositions having improved long term skin adhesion characteristics comprising a polyacrylate, rubber, or polyolefin pressure sensitive adhesive and a cross-linked hydrophilic random interpolymer. The interpolymer comprises an ester of an .alpha.,.beta.-olefinically unsaturated carboxylic acid and an alcohol having a quaternary ammonium group; an .alpha.,.beta.-olefinically unsaturated comonomer; and a difunctional cross-linking monomer. The adhesive compositions are useful in surgical adhesive tapes, adhesive bandages, and like items comprising a pressure sensitive adhesive. | ||||||
| 117 | Pressure-sensitive adhesive compositions | US567470 | 1975-04-14 | US4022723A | 1977-05-10 | Takeo Hokama; Frank Scardiglia |
| This invention discloses pressure-sensitive adhesive compositions comprising an elastomer component and a tackifying component containing as an essential ingredient a terpolymer of styrene, isobutylene and beta-pinene. | ||||||
| 118 | Thermoplastic can end sealant composition | US616305 | 1975-09-24 | US3986629A | 1976-10-19 | Henry M. Singleton |
| A sealant composition for sealing a can end comprises a mixture of about 15-30 percent by weight of a hydrocarbon resin melting in the range of about 85.degree.-125.degree. C and comprising 100 weight parts of at least one of natural and synthetic rubber and 30 to 120 weight parts of a hydrogenated hydrocarbon resin tackifier prepared by polymerizing a cracked petroleum fraction boiling between -10.degree. and 280.degree. C and containing unsaturated hydrocarbons at least 50 weight percent of which is at least one of aromatic olefins, cyclic olefins and cyclic diolefins, and hydrogenating the resultant polymer to a hydrogenation rate of at least 40 percent; about 1-8 percent by weight of stearic acid; about 0.1-1 percent by weight of butylated hydroxy toluene; about 0.1-1 percent by weight of polyparadinitrosobenzene; about 20-40 percent by weight of paraffin wax; about 1-5 percent by weight of zinc oxide; about 0.25-1 percent by weight of lamp black; about 5-15 percent by weight of titanium dioxide; about 10-30 percent by weight of polyisobutylene; and about 10-20 percent by weight of at least one of butyl rubber, styrene-butadiene rubber and styrene-isoprene rubber. | ||||||
| 119 | Process for producing hydrocarbon resin and pressure-sensitive adhesives containing same | US587563 | 1975-06-17 | US3963653A | 1976-06-15 | Shigeru Katayama; Izuru Yokoyama; Katsuhiko Tasaka |
| A process for producing a hydrocarbon resin (C) which comprises copolymerizing 100 parts by weight of vinyl aromatic hydrocarbons (A) containing more than 80% by weight isopropenyltoluene and from about 5 to 100 parts by weight of a fraction (B) which is the by-product of cracking or refining petroleum and mainly comprising unsaturated hydrocarbons having a boiling point ranging from about -15.degree.C to 45.degree.C and having 4 to 5 carbon atoms in the presence of a Friedel-Crafts catalyst and pressure-sensitive adhesives comprising the hydrocarbon resin produced in combination with a rubber. | ||||||
| 120 | Cohesive coating compositions | US417406 | 1973-11-19 | US3937683A | 1976-02-10 | Andrew Nicholas Ferrar |
| A cohesive coating composition comprises in dispersion in a liquid a mixture of between 51 and 99% by weight of a natural or synthetic rubber and between 1 and 49% by weight of a polyalkyl methacrylate in which dispersion there is incorporated between 5% and 35% by weight, based on the weight of the solids, of an inert particulate material having a mean particle size lying in the range between 0.2 and 50 microns.The compositions are applied to sheet materials used, for example, in packaging. | ||||||
QQ群二维码
意见反馈
意见反馈