摘要:
Provided is a multilayer article having a partially fluorinated or a perfluorinated fluoroplastic layer, a layer that comprises a copolymer comprising interpolymerized units derived from at least one monomer having a glycidyl functional group, and a substrate. The second layer is disposed between the first layer and the substrate layer and adhesively bonds the first layer and substrate layer. Optionally, there is provided a third layer including a perfluoroplastic, where the first layer is disposed between the second layer and the third layer and adhesively bonds the second layer to the third layer. Also provided are methods of making multilayer articles and methods of using multilayer articles.
摘要:
There is provided a curable fluoroelastomer composition comprising i. a first compound which comprising repeating units derived from a fluorinated olefin and further comprising at least one functional group, ii. a second compound comprising repeating units selected from (—C4F8O—), (—C2F4O—) or (—CF2O) or a combination thereof and further containing at least one functional group capable of reacting with the at least one functional group of the first compound either directly or in the presence of a curing compound to form a triazine unit, wherein the composition after curing by forming triazine units has a glass transition temperature of less than −60° C. Also provided are shaped articles comprising the cured compositions, methods of making cured compositions and methods for making shaped articles.
摘要翻译:提供了可固化的含氟弹性体组合物,其包含i。 包含衍生自氟化烯烃的重复单元并且还包含至少一个官能团的第一化合物,ii。 包含选自(-C 4 F 8 O-),(-C 2 F 4 O-)或(-CF 2 O)的重复单元或其组合的第二化合物,并且还含有至少一个能够与第一化合物的至少一个官能团反应的官能团 直接或在固化化合物存在下形成三嗪单元,其中通过形成三嗪单元固化后的组合物具有小于-60℃的玻璃化转变温度。还提供了包含固化组合物的成型制品, 制成固化组合物和制造成型制品的方法。
摘要:
Abrasive articles made using a coatable, addition polymerizable binder precursor composition are described, as well as methods of making same. The compositions comprise a reactive diluent compound and preferably an addition polymerizable resin, the reactive diluent being an organic compound selected to be especially effective in solubilizing aminoplast resins.
摘要:
Described herein is a composition having a fluoropolymer derived from the polymerization of a monomer and a sulfinate-containing molecule, wherein the sulfinate-containing molecule is selected from the group consisting of Formula (I), Formula (II); and combinations thereof, wherein X1, X2, and X3 are each independently selected from H, F, Cl, a C1 to C4 alkyl group, and a C1 to C4 fluorinated alkyl group; R is a linking group; Z1 and Z2 are independently selected from F, CF3, and a perfluoroalkyl group; R1 and R2 are end-groups; p is 0 or 1; m is at least 1; and M is a cation. Also disclosed are methods of making and articles thereof.
摘要:
There are provided microemulsions derived from compositions containing oligomeric fluorosulfinic compounds and/or ethylenically unsaturated, polymerizable monomeric fluorosulfinic compounds and to their uses in (co)polymerization processes in aqueous emulsion of fluorinated monomers.
摘要:
Described herein is a composition according to formula I or its precursor, formula II: CX1X3═CX2—(R1)p—CZ1Z2-SO2M (I) wherein X1, X2, and X3 are independently selected from H, F, Cl, Br, I, CF3 and CH3, and wherein at least one of X1, X2, or X3 is a H; R1 is a linking group; Z1 and Z2 are independently selected from F, Cl, Br, I, CF3, and a perfluoroalkyl group; p is 0 or 1; and M is a cation; and CX4X1X3—CX5X2—(R1)p—CZ1Z2-SO2M (II) wherein X1, X2, and X3 are independently selected from H, F, Cl, Br, I, CF3 and CH3, wherein at least one of X1, X2, or X3 is a H, and X4 and X5 are independently selected from H, F, Cl, Br and I; R1 is a linking group; Z1 and Z2 are independently selected from F, Cl, Br, I, CF3, and a perfluoroalkyl group, p is 0 or 1; and M is selected from F, and a cation.
摘要:
Described herein is a composition having a fluoropolymer derived from the polymerization of a monomer and a sulfinate-containing molecule, wherein the sulfinate-containing molecule is selected from the group consisting of Formula (I), Formula (II); and combinations thereof, wherein X1, X2, and X3 are each independently selected from H, F, Cl, a C1 to C4 alkyl group, and a C1 to C4 fluorinated alkyl group; R is a linking group; Z1 and Z2 are independently selected from F, CF3, and a perfluoroalkyl group; R1 and R2 are end-groups; p is 0 or 1; m is at least 1; and M is a cation. Also disclosed are methods of making and articles thereof.
摘要:
A method of making a fluoropolyether elastomer containing triazine groups and having a glass transition temperature of less than −40° C., including providing (i) one or more saturated fluoropolyethers containing repeating moieties selected from (—C4F8O—), (—C3F6O—), (—C2F4O—), (—CF2O—) and combinations thereof and further containing at least one functional group at a terminal carbon atom of the backbone chain, or of a side chain if present, wherein the terminal carbon atom may be a primary or secondary carbon atom and wherein the functional group is capable of reacting with a functional group of the fluorinated compound according to (ii) below to form a triazine ring, (ii) one or more fluorinated compound containing at least one perfluorinated alkyl or perfluorinated alkylene moiety wherein the carbon atoms of the perfluorinated alkyl or alkylene moiety may be interrupted by one or more oxygen atoms and wherein the fluorinated compound further contains at least one functional group capable of reacting with the functional group of the one or more fluoropolyethers to form a triazine; curing the components according to (i) and (ii) to form triazines. Further provided are cured compositions, articles comprising the cured compositions and methods of making articles.
摘要翻译:包括制备含有三嗪基并具有小于-40℃的玻璃化转变温度的氟聚醚弹性体的方法,包括提供(i)一种或多种含有重复部分的饱和含氟聚醚,所述重复部分选自(-C 4 F 8 O - ),(-C 3 F 6 O- ),(-C 2 F 4 O-),(-CF 2 O-)及其组合,并且在主链的末端碳原子或侧链(如果存在)中还含有至少一个官能团,其中末端碳原子可以是 伯或仲碳原子,其中所述官能团能够与根据下述(ii)的氟化化合物的官能团反应以形成三嗪环,(ii)一种或多种含有至少一种全氟化烷基或全氟化的含氟化合物 亚烷基部分,其中全氟烷基或亚烷基部分的碳原子可被一个或多个氧原子间隔,并且其中所述氟化化合物还含有至少一个f 能够与一种或多种含氟聚醚的官能团反应以形成三嗪的官能团; 根据(i)和(ii)固化组分以形成三嗪。 还提供了固化组合物,包含固化组合物的制品和制造制品的方法。
摘要:
The present invention is directed to an abrasive article and methods of making the abrasive article. An abrasive coating on the abrasive article comprises at least 20% by weight of a superabrasive particle. The abrasive coating is derived from an abrasive slurry. The abrasive slurry may comprise and a dispersant having an AV wherein AV=1000*[(Amine Value)/(Mw)]. The dispersant comprises a polymer having a molecular weight (Mw) of greater than 500 g/mol and an AV of greater than 4.5, a polymer having a molecular weight (Mw) of greater than 10,000 g/mol and an AV of greater than 1.0, or a polymer having a molecular weight (Mw) of greater than 100,000 g/mol and an AV of greater than 0.