摘要:
A hydrozirconated matrix for the production of polyolefins is disclosed. The hydrozirconated matrix is prepared from the reaction of an organozirconium composition and an olefin based material. A process is described for using the hydrozirconated matrix to prepare a range of polyolefin products.
摘要:
This invention provides a multistage emulsion polymer including, as copolymerized units: from 0.5% to 5%, by weight P-acid monomer, based on the weight of the emulsion polymer; from 0% to 0.05% by weight multiethylenically unsaturated monomer, based on the weight of the emulsion polymer; and at least one second monoethylenically unsaturated monomer; the emulsion polymer having a calculated Tg of from −20° C. to 50° C.; the emulsion polymer is formed by the “pulsed” addition of 75% to 100% of the P-acid monomer during a stage including from 10% to 50% of the total monomer weight, preferably added during the relatively early stages of the polymerization. A multistage polymer/TiO2 composite particle and an aqueous coating composition including the composite particle are also provided.
摘要翻译:本发明提供了一种多级乳液聚合物,其包含基于乳液聚合物的重量的共聚单元:0.5%至5%重量的P酸单体; 基于乳液聚合物的重量,0%至0.05%重量的多烯属不饱和单体; 和至少一种第二单烯属不饱和单体; 所述乳液聚合物的计算Tg为-20℃至50℃; 乳液聚合物通过在包含总单体重量的10%至50%的阶段中“脉冲”加入75%至100%的P酸单体形成,优选在聚合的相对早期阶段加入。 还提供了多级聚合物/ TiO 2复合颗粒和包含复合颗粒的水性涂料组合物。
摘要:
This invention provides a method for forming a stable aqueous composition including composite particles by admixing TiO2 particles and adsorbing emulsion polymer particles at or below the critical composite ratio to an equilibrated viscosity range of from 200 cps to 4000 cps. Also provided is a method for forming a stable aqueous composition including composite particles by admixing TiO2 particles and adsorbing emulsion polymer particles at a mixing intensity of greater than 2 hp/kgal. A method for providing a coating including composite particles is also included.
摘要:
This invention provides a method for forming a stable aqueous composition including composite particles by admixing TiO2 particles and adsorbing emulsion polymer particles at or below the critical composite ratio to an equilibrated viscosity range of from 200 cps to 4000 cps. Also provided is a method for forming a stable aqueous composition including composite particles by admixing TiO2 particles and adsorbing emulsion polymer particles at a mixing intensity of greater than 2 hp/kgal. A method for providing a coating including composite particles is also included.
摘要:
The present invention provides a method for producing a free flowing and/or non clumping resin that includes prior to drying, shrinking the resin under agitation. In one variant of the invention, the is a resin used in solid phase synthesis of peptides. In another aspect the invention provides a process of making a peptide using the free flowing resin described herein, and a polypeptide made using the process. Various therapeutics are then be made using the polypepdite.
摘要:
This invention provides a multistage emulsion polymer including, as copolymerized units: from 0.5% to 5%, by weight P-acid monomer, based on the weight of the emulsion polymer; from 0% to 0.05% by weight multiethylenically unsaturated monomer, based on the weight of the emulsion polymer; and at least one second monoethylenically unsaturated monomer; the emulsion polymer having a calculated Tg of from −20° C. to 50° C.; the emulsion polymer is formed by the “pulsed” addition of 75% to 100% of the P-acid monomer during a stage including from 10% to 50% of the total monomer weight, preferably added during the relatively early stages of the polymerization. A multistage polymer/TiO2 composite particle and an aqueous coating composition including the composite particle are also provided.
摘要翻译:本发明提供了一种多级乳液聚合物,其包含基于乳液聚合物的重量的共聚单元:0.5%至5%重量的P酸单体; 基于乳液聚合物的重量,0%至0.05%重量的多烯属不饱和单体; 和至少一种第二单烯属不饱和单体; 所述乳液聚合物的计算Tg为-20℃至50℃; 乳液聚合物通过在包含总单体重量的10%至50%的阶段中“脉冲”加入75%至100%的P酸单体形成,优选在聚合的相对早期阶段加入。 还提供了多级聚合物/ TiO 2复合颗粒和包含复合颗粒的水性涂料组合物。
摘要:
An organic polymer including internal pendant phosphorous acid groups at a level of >0.25% phosphorus by weight based on the weight of said organic polymer, the phosphorus acid groups being separated from the backbone of the organic polymer by no more than 2 alkylene glycol units, the organic polymer having an acid number of from 100 to 1,000, and a Mw of from 1,000 to 75,000, wherein the organic polymer has been formed by emulsion polymerization from at least one ethylenically unsaturated monomer is provided. Compositions further including an emulsion polymer including from 0.05% to 2% phosphorous, present as pendant phosphorous acid groups, by weight based on the weight of the emulsion polymer, and, optionally, an inorganic particle are also provided as are processes related to the compositions.
摘要:
A macroporous core-shell resin bead having carboxylic acid groups; the bead has from 3% to 100% of monomer residues derived from crosslinker, an average pore diameter of at least 1.5 nm, and an average particle size from 10 μm to 900 μm; wherein at least 90% of the carboxylic acid groups in the bead are in the shell region, and the shell region comprises from 5% to 75% of the bead by volume.
摘要:
An organic polymer including internal pendant phosphorous acid groups at a level of >0.25% phosphorus by weight based on the weight of said organic polymer, the phosphorus acid groups being separated from the backbone of the organic polymer by no more than 2 alkylene glycol units, the organic polymer having an acid number of from 100 to 1,000, and a Mw of from 1,000 to 75,000, wherein the organic polymer has been formed by emulsion polymerization from at least one ethylenically unsaturated monomer is provided. Compositions further including an emulsion polymer including from 0.05% to 2% phosphorous, present as pendant phosphorous acid groups, by weight based on the weight of the emulsion polymer, and, optionally, an inorganic particle are also provided as are processes related to the compositions.