2809 results about "Resorcinol" patented technology

The invention is a fibrin glue that avoids the use of fibrinogen and thus eliminates the need for premixing and premature clot formation. The fibrin glue of the invention comprises thrombin, thromboplastin and calcium and may have clotting Factors, VII, IX and X, and the like. The invention also comprises a biosealant for use with the fibrin glue without fibrinogen or for use alone. The biosealant is a two component mixture of gelatin/resorcinol and glyoxal/glutaraldehyde/4-(p-maleimidophenyl) butyric acid. The two components are mixed on use.

Methods for preparing formaldehyde-free resorcinol resins are disclosed. The methods generally comprise reacting resorcinol first with dicyclopentadiene and then reacting that mixture with an olefinic compound. The resins produced by this method are also disclosed, as are rubber compositions utilizing the present resins. The resins are characterized as having a free resorcinol content of about 1 wt. % or less, and yielding a suitable softening point when used in rubber applications.

Cosmetic compositions containing a micronized metal oxide along with a 4-substituted resorcinol derivatives of the general formula I exhibit improved storage stability:

• • where each R₁ and R₂, independently, represents a hydrogen atom, —CO—R (acyl group), —COO—R, CONHR; where R represents saturated or unsaturated, linear, branched or cyclic C₁-C₁₈ hydrocarbon groups; and
  • R₃ represents (1) an alkyl group, having from 1 to 18 carbon atoms, preferably having from 2 to 12 carbon atoms, with or without substitution of one or more hydrogen atoms of a linear alkyl group with a methyl or ethyl group; e.g., R₃ constitutes linear or branched chain alkyls, or (2) a group of the general formula formula (II)
  • Where X is preferably H, n is 0 to 3 and the dashed lines represents an optional double bond.

A luminescent solar collector is provided comprising a substrate and a light energy converter, such as a photocell, operatively connected thereto. The substrate is molded from a thermoplastic composition comprising a polymer and a fluorescent dye or quantum dot dispersed therein. The polymer comprises a polycarbonate unit and a polyester unit derived from the reaction of isophthalic acid, terephthalic acid, and resorcinol (ITR). In further embodiments, the substrate comprises two or more layers including a fluorescent layer and an overcoat layer. The fluorescent layer comprises the fluorescent dye or quantum dot and a polycarbonate polymer. The overcoat layer comprises the ITR unit. The substrate, in single layer or multiple layer form, has reduced haze levels over a prolonged period of time.

The present invention is directed to a golf ball having at least one layer formed from a rubber composition comprising a base rubber, a free radical initiator, and a catechol. The present invention is also directed to a golf ball having at least one layer formed from a rubber composition comprising a base rubber, a free radical initiator, and a resorcinol. Rubber compositions of the present invention may be present in any one or more of a core layer, a cover layer, or an intermediate layer.

The invention relates to an environment-friendly fiber framework material dip solution and a dipping process. The dip solution comprises, by weight parts, 3.3-190 parts of blocked isocyanate compound by dry weight, 6.6-140 parts of epoxy compound by dry weight, 80-100 parts of rubber latex by dry weight, 0.5-20 parts of rubber modifier by dry weight, and the balance water. The content of the dip solution is 5-25%, and a one-bath or double-bath dipping process is adopted to perform coating on a fiber framework material. The dip solution does not contain harmful substances such as resorcinol and formaldehyde and does not cause pollution to the environment, the dipping process is simple in steps and easy to operate, an organic fiber after dipping treatment is low in rigidity and facilitates postprocessing, and the dip solution has a good effect of being bonded to rubber and has a better dipping effect than conventional RFL.

The invention relates to a gel plugging agent for deep profile control of a higher temperature oil reservoir, and a preparation method of the gel plugging agent. The gel plugging agent comprises 0.3-0.8 percent of nonionic polyacrylamide, 0.6-1.3 percent of a cross-linking agent A, 0.45-1.44 percent of a cross-linking agent B, 0.02-0.04 percent of a temperature stabilizer and 0.01-0.08 percent of a pH value regulator, wherein the cross-linking agent A is methenamine; the cross-ling agent B is hydroquinone or resorcinol; the temperature stabilizer is sodium thiosulfate, sodium bisulfite or sodium sulfite; and the pH regulator is sodium hydroxide, potassium hydroxide, sodium carbonate or sodium bicarbonate. The gel plugging agent disclosed by the invention has strong temperature resisting performance and can be used for the profile control operation of the high temperature oil reservoir with 100-160DEG C; the gel plugging agent has the characteristics of high strength after being gelatinized, stronger plugging capability for the stratum and favorable thermal stability; and in addition, after the gel plugging agent is stood at the temperature of 130 DEG C for 90 days, the strength change is little and gel breaking and hydration are avoided.

Cosmetic compositions containing organic sunscreens along with a 4-substituted resorcinol derivatives of general formula I exhibit improved storage stability and oxidative stability:

where each R₁ and R₂, independently, represents a hydrogen atom, —CO—R (acyl group), —COO—R CONHR; where R represents saturated or unsaturated, linear, branched or cyclic C₁-C₁₈ hydrocarbon groups; and

R₃ represents (1) an alkyl group, having from 1 to 18 carbon atoms, preferably having from 2 to 12 carbon atoms, with or without substitution of one or more hydrogen atoms of a linear alkyl group with a methyl or ethyl group; e.g., R₃ constitutes linear or branched chain alkyls, or (2) a group of the general formula formula (II)

Where X is preferably H, n is 0 to 3 and the dashed lines represents an optional double bond.

This invention provides a preparation method for a high ratio surface area carbon gel, which takes resorcin and formaldehyde as the raw materials, sodium carbonate as the catalyst to prepare carbon gel by sol-gel reaction and ordinary pressure and high temperature carbonization and takes CO2 as the activating agent to carry out gas activation process to get the high ratio surface area carbon gel, which avoids the traditional complicated technology of exceeding critical dryness and makes up the shortcomings of low ratio surface area brought with the normal pressure dryness.

The present invention provides a rubber composition with superior properties with respect to processability, low fuel consumption, complex modulus, and durability, and tires prepared by using the rubber composition. The rubber composition of the present invention comprises: 2 to 2.9 parts by weight of (B) sulfur, 0.6 to 10 parts by weight of (C) at least one compound selected from the group consisting of a cresol resin, a resorcin condensate, and a modified resorcin condensate, and 10 to 55 parts by weight of (D) a carbon black and/or silica, based on 100 parts by weight of (A) a rubber component comprising a natural rubber and/or isoprene rubber and at least two kinds of synthetic rubbers selected from the group consisting of butadiene rubber, modified butadiene rubber, styrene-butadiene rubber, and modified styrene-butadiene rubber. The tire of the present invention is prepared by using the rubber composition.

Disclosed is a herbicidal mixture comprising (a) at least one herbicide compound selected from the pyrimidines of Formula 1, including all geometric and stereoisomers, N-oxides, and salts thereof:

wherein

• • R¹ is cyclopropyl, 4-Br-phenyl or 4-Cl-phenyl;
  • X is Cl or Br;
  • R² is H, C₁-C₁₄ alkyl, C₂-C₁₄ alkoxyalkyl, C₃-C₁₄ alkoxyalkoxyalkyl, C₂-C₁₄ hydroxyalkyl or benzyl; and
  • (b) at least one additional herbicide or herbicide safener compound selected from the group consisting of (b1) ACCase inhibitors, (b2) AHAS inhibitors, (b3) photosystem II inhibitors, (b4) photosystem I electron diverters, (b5) PPO inhibitors, (b6) EPSP synthase inhibitors, (b7) GS inhibitors, (b8) VLCFA inhibitors, (b9) auxin mimics, (b10) auxin transport inhibitors, (b11) other herbicides selected from the group consisting of flamprop-M-methyl, flamprop-M-isopropyl, difenzoquat, DSMA, MSMA, bromobutide, flurenol, cinmethylin, cumyluron, dazomet, dymron, methyldymron, etobenzanid, fosamine-ammonium, isoxaflutole, asulam, clomazone, mesotrione, metam, oxaziclomefone, oleic acid, pelargonic acid and pyributicarb, (b12) herbicide safeners selected from the group consisting of benoxacor, 1-bromo-4-[(chloromethyl)sulfonyl]benzene, cloquintocet-mexyl, cyometrinil, dichlormid, 2-(dichloromethyl)-2-methyl-1,3-dioxolane, fenchlorazole-ethyl, fenclorim, flurazole, fluxofenim, furilazole, isoxadifen-ethyl, mefenpyr-diethyl, methoxyphenone, naphthalic anhydride and oxabetrinil, and their salts. Also disclosed is a method for controlling the growth of undesired vegetation comprising contacting the vegetation or its environment with a herbicidally effective amount of a mixture of the invention (e.g., as a composition described herein).

Halogen-free TPU compositions comprise in weight percent based on the weight of the composition: A. 1 to 99% thermoplastic polyurethane (TPU), B. 1 to 50% tris(2-butoxyethyl)phosphate (TBEP), C. 1 to 70% metal hydrate, and D. 1 to 70% organic phosphate ester other than tris(2-butoxyethyl)phosphate. These compositions exhibit better smoke suppression as compared with conventional organic phosphate flame retardant TPU compositions such as those based on resorcinol bis(diphenyl phosphate) (RDP) and bisphenol-A bis(diphenyl phosphate) (BPADP) in the absence of TBEP.

The invention is a cosmetic or dermatological preparation effective as light-protective, comprising (a) at least one bis-resorcinyltriazine derivative and (b) at least one benzoxazole derivative. The invention is also a cosmetic or dermatological preparation comprising at least one bis-resorcinyltriazine derivative and at least one benzoxazole derivative of a specified chemical structure. The invention is also a method of treating or preventing cosmetic or dermatological changes in the skin, a method of tanning or accelerating tanning of the skin, and a method of protecting the skin against light-induced aging, each comprising applying the preparation to the skin. The invention also includes a wipe impregnated with the preparation.

This invention relates to improved adhesion compositions and textile materials and articles treated therewith. The improved adhesion composition comprises a non-crosslinked resorcinol-formaldehyde and/or resorcinol-furfural condensate (or a phenol-formaldehyde condensate that is soluble in water), a rubber latex, and an aldehyde component such as 2-furfuraldehyde. The composition may be applied to textile substrates and used for improving the adhesion between the treated textile substrates and rubber materials. End-use articles that contain the treated textile-rubber composite include, without limitation, automobile tires, belts, and hoses as well as printing blankets.

The invention discloses temperature-resisting salt-tolerant high-temperature self-cross-linking onsite polymerization water plugging gel which mainly consists of, by mass, main agent 4%-6%, cross-linking agent 1%-2% and the balance saline water. The main agent consists of a monomer A and a monomer B, wherein the monomer A is acrylamide, and the monomer B is ester matter. The cross-linking agent is one of or a mixture of two or more formaldehyde, phenolic resin, resorcinol, hexamethylene tetramine, paraformaldehyde and polyethyleneimine. The temperature-resisting salt-tolerant high-temperature self-cross-linking onsite polymerization water plugging gel spontaneously produces cross-linking polymerization under the condition of high temperature, an initiator is not added, the gelling time can be controlled to be 2 hours to 28 hours at the temperature of 120 DEG C, the water plugging gel can be directly prepared by high-salinity water, the gelling strength can be up to the visual inspection code level I, and synaeresis does not occur after 90 days. The temperature-resisting salt-tolerant high-temperature self-cross-linking onsite polymerization water plugging gel is low in initial viscosity, has the advantages of being few in components, good in instant solubility and pumping injection performance, high plugging strength, good in thermohaline stability, low in cost and the like and has wide application prospect on the aspect of high-temperature high-salinity oil reservoir profile control water plugging.

An anhydride and resorcinol latent catalyst system for a phenolic resole resin provides a resin having long pot life and long shelf life, yet cures quickly thereafter.