Patent classifications
C08G8/12
Expanding Polyurethane Foam and Methods and Systems for Using Same
The present disclosure relates generally to methods, devices and systems for insulation, e.g., of cavities associated with walls, ceilings, floors and other building structures, with foam insulation. In one aspect, the disclosure provides a method for providing a cavity of a building with an expanded foam insulation. The method includes dispensing an amount of an expanding foam insulation into the cavity, the expanding foam insulation being dispensable and expandable to provide the expanded foam insulation material, the expanding foam insulation material formed from a premix comprising at least one polyol, at least one polyisocyanate, a blowing agent, and an encapsulated catalyst, the encapsulated catalyst comprising a plurality of catalyst capsules, each comprising an amount of catalyst and a capsule shell encapsulating the catalyst, wherein the dispensing is performed to apply a force to the encapsulated catalyst sufficient to break capsules and release catalyst, the released catalyst initiating reaction between the at least one polyol and the at least one isocyanate; and then allowing the dispensed amount of expanding foam insulation to substantially finish expanding after it is dispensed in the cavity, thereby forming the expanded foam insulation in the cavity.
Polycalixarene materials, methods of making same, and uses thereof
Provided are porous polymeric materials, methods of making same, and methods of using same. The porous polymeric materials include crosslinked calixarene moieties. The porous polymeric materials can be added to a sample and absorb/adsorb pollutants present in the sample. The absorbed/adsorbed pollutant can further be isolated from the porous polymeric material. The porous polymeric materials can be recycled.
Polycalixarene materials, methods of making same, and uses thereof
Provided are porous polymeric materials, methods of making same, and methods of using same. The porous polymeric materials include crosslinked calixarene moieties. The porous polymeric materials can be added to a sample and absorb/adsorb pollutants present in the sample. The absorbed/adsorbed pollutant can further be isolated from the porous polymeric material. The porous polymeric materials can be recycled.
COMPOSITIONS AND PROCESS FOR STABILIZING PHENOLIC RESINS CONTAINING CALIXARENES
This invention relates to compositions and a process for stabilizing or solubilize a phenolic resin containing a mixture of linear phenolic resins and calixarenes. The process comprises contacting the phenolic resin with an epoxide, to at least partially alkoxylate the phenolic hydroxyl groups of the calixarenes. This process forms a stabilized or solubilized phenolic resin with an increased solubility in a hydrocarbon solvent.
COMPOSITIONS AND PROCESS FOR STABILIZING PHENOLIC RESINS CONTAINING CALIXARENES
This invention relates to compositions and a process for stabilizing or solubilize a phenolic resin containing a mixture of linear phenolic resins and calixarenes. The process comprises contacting the phenolic resin with an epoxide, to at least partially alkoxylate the phenolic hydroxyl groups of the calixarenes. This process forms a stabilized or solubilized phenolic resin with an increased solubility in a hydrocarbon solvent.
RESINS HAVING A HIGH METHYLOL TO DIBENZYL ETHER RATIO AND METHODS OF MAKING THE SAME
This invention relates to resins having a molar ratio of methylol groups to ether groups in the resin is from 0.5:1 to about 2:1. Methods for making the composition are also provided. A bladder formulation comprising resins of the invention is also provided. A vulcanized elastomer composition prepared by vulcanizing the bladder formulation of the invention is also provided. A method of increasing thermal stability in a rubber by curing said rubber with a resin of the invention is also provided.
RESINS HAVING A HIGH METHYLOL TO DIBENZYL ETHER RATIO AND METHODS OF MAKING THE SAME
This invention relates to resins having a molar ratio of methylol groups to ether groups in the resin is from 0.5:1 to about 2:1. Methods for making the composition are also provided. A bladder formulation comprising resins of the invention is also provided. A vulcanized elastomer composition prepared by vulcanizing the bladder formulation of the invention is also provided. A method of increasing thermal stability in a rubber by curing said rubber with a resin of the invention is also provided.
PROCESS FOR REMOVAL OF VOLATILE COMPOUNDS FROM TACKIFIERS
Process for the removal of volatile compounds from a tackifier comprising a resin with repeating units of formula I wherein R.sup.1 is a linear or branched alkylen group with 1 to 10 carbon atoms and R.sup.2 is a linear or branched, saturated or unsaturated N aliphatic hydrocarbon group with up to 20 carbon atoms, and optionally a plasticizer, wherein the tackifier is passed through at least one evaporator as film and the volatile compounds are removed from the film.
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PROCESS FOR REMOVAL OF VOLATILE COMPOUNDS FROM TACKIFIERS
Process for the removal of volatile compounds from a tackifier comprising a resin with repeating units of formula I wherein R.sup.1 is a linear or branched alkylen group with 1 to 10 carbon atoms and R.sup.2 is a linear or branched, saturated or unsaturated N aliphatic hydrocarbon group with up to 20 carbon atoms, and optionally a plasticizer, wherein the tackifier is passed through at least one evaporator as film and the volatile compounds are removed from the film.
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PROCESSES FOR PREPARING CALIXARENES
This invention relates to a process for preparing a calixarene compound by reacting a phenolic compound and an aldehyde in the presence of at least one nitrogen-containing base as a catalyst to form the calixarene compound. The invention also relates to processes for high-yield, high solid-content production of a calixarene compound, with high selectivity toward a high-purity calix[8]arene compound, without carrying out a recrystallization step.