Abstract:
There is provided an article comprising at least a first surface having a first binder layer selected from at least one of linear resins and resins having low cross link densities, where the first binder layer has a first major surface opposite a second major surface; and a plurality of microspheres at least partially embedded in the first major surface of the first binder layer. For at least a portion of the first major surface, the plurality of micro spheres may cover 30% to 50% of that portion, and the microspheres may be substantially uniformly spaced.
Abstract:
A plurality of particles comprising an elastomer-modified crosslinked aromatic epoxy vinyl ester polymer, wherein a particle from the plurality of particles maintains at least 50 percent of its height under a pressure of 1.7×107 Pascals at a temperature of at least 150° C. is disclosed. Mixtures of the plurality of particles and other particles, fluids containing the plurality of particles, methods of making the plurality of particles, and methods of fracturing a subterranean geological formation are also disclosed.
Abstract:
A phosphorus-containing silsesquioxane is represented by the formula [R13SiO1/2]m[R2SiO3/2]n[R3SiO3/2]p[(R4O)2PO(CH2)xSiO3/2]q wherein each of R1, R2, R3, and R4 independently represents a hydrocarbyl group; x represents an integer of from 1 to 8; m is a positive number less than 1.5; n and q are positive numbers greater than 0 and less than 1; and p is a number greater than or equal to 0 and less than 1. Further, (n+p)/q is in a range of from 0.5 to 99, and (n+p+q)=1. Curable and cured compositions comprising the phosphorus-containing silsesquioxane are disclosed.
Abstract translation:含磷的倍半硅氧烷由式[R13SiO1 / 2] m [R2SiO3 / 2] n [R3SiO3 / 2] p [(R4O)2PO(CH2)xSiO3 / 2] q表示,其中R1,R2,R3, 并且R 4独立地表示烃基; x表示1〜8的整数, m是小于1.5的正数; n和q是大于0且小于1的正数; 并且p是大于或等于0且小于1的数字。此外,(n + p)/ q在0.5至99的范围内,并且(n + p + q)= 1。 公开了包含含磷倍半硅氧烷的可固化和固化的组合物。
Abstract:
An optical element with a polarizer and a support layer is disclosed herein. The polarizer comprises an intrinsic polarizer and the support layer comprises the reaction product of: (a) from 50 to 99 parts by weight of a (meth)acryloyl oligomer having a plurality of pendant, free radically polymerizable functional groups and a Tg of greater than or equal to 20° C., (b) from 1 to 50 parts by weight of a free-radically polymerizable crosslinking agent and/or diluent monomer, and (c) from 0.001 to 5 parts by weight of an initiator. A method of forming the optical element is also disclosed herein. The optical element may be used in optical devices such as projector systems.
Abstract:
Disclosed herein are microstructured articles that can be made by molding. The microstructured articles comprise crosslinked unsaturated polymers formed by ring opening metathesis polymerization (ROMP) of a monomer composition, the monomer composition comprising a cyclic monomer having at least one reactive double bond. The microstructured articles may be structured in that they comprise at least one microstructured feature having a dimension of less than about 2 mm, or less than about 500 um. The microstructured articles may also comprise a plurality of such microstructured features. Also disclosed herein are methods of making the microstructured articles.
Abstract:
A shape memory polymer composition is described comprising greater that 90 wt. % cyclooctene, less than 10 wt. % of a multicyclic diene, comprising at least two cyclo olefinic rings with at least two reactive double bonds, and less than 2 wt. % of a metathesis catalyst.
Abstract:
A heat-debondable adhesive article having two opposing sides is provided that includes a shape-memory polymer sheet in its temporary strained shape that includes a plurality of slits therein and a first adhesive on one opposing side of the polymer sheet and a second adhesive on the other opposing side of the polymer sheet. The provided article, optionally, includes a first substrate in contact with the first adhesive and a second substrate in contact with the second adhesive. The article can be debonded by heating the article to a temperature equal to or greater than a transition temperature for the shape-memory polymer sheet.
Abstract:
Disclosed herein are microstructured articles that can be made by molding. The microstructured articles comprise crosslinked unsaturated polymers formed by ring opening metathesis polymerization (ROMP) of a monomer composition, the monomer composition comprising a cyclic monomer having at least one reactive double bond. The microstructured articles may be structured in that they comprise at least one microstructured feature having a dimension of less than about 2 mm, or less than about 500 um. The microstructured articles may also comprise a plurality of such microstructured features. Also disclosed herein are methods of making the microstructured articles.
Abstract:
A plurality of particles comprising an elastomer-modified crosslinked aromatic epoxy vinyl ester polymer, wherein a particle from the plurality of particles maintains at least 50 percent of its height under a pressure of 1.7×107 Pascals at a temperature of at least 150° C. is disclosed. Mixtures of the plurality of particles and other particles, fluids containing the plurality of particles, methods of making the plurality of particles, and methods of fracturing a subterranean geological formation are also disclosed.