C08J2383/08

SILICONE HYDROGELS COMPRISING N-ALKYL METHACRYLAMIDES AND CONTACT LENSES MADE THEREOF
20180011223 · 2018-01-11 ·

The present invention relates to silicone hydrogels exhibiting desired combinations of physical and mechanical properties, formed from a reactive monomer mixture comprising at least one N-alkyl methacrylamide, and at least one silicone-containing component. These silicone hydrogels may also contain hydrophilic components, crosslinking agents and toughening monomers. These silicone hydrogels are useful in preparing biomedical devices, ophthalmic lenses, and contact lenses.

Method for surface treatment of silicone rubber

A method for surface treatment of a silicone rubber includes: providing the silicone rubber bearing a polar group on a surface of the silicone rubber, and applying a multifunctional compound to the surface of the silicone rubber bearing the polar group to allow the multifunctional compound to react with the polar group to form a coating.

Method for making fluorocarbon free emulsions without using traditional surfactants/emulsifiers by emulsifying alkoxysilanes or other non-water soluble hydrophobizing agents using amino functional siloxanes and the uses thereof
11692069 · 2023-07-04 · ·

The present invention relates to an improved emulsified composition comprising a) —one or more amino functional siloxanes of the formula I b) —one or more hydrolysable alkyl silans of the formula II c) an acid d) water e) a defoamer f) a coalescent agent and optionally one or more of a preservative, co-emulsifier, catalyst, rheology modifier, fatty acid, oil and/or wax,
the process of preparing it and the application method of enhancing the water repellence of an inorganic, organic or fiber based materials and/or enhancing the said materials ability to repel water soluble dirt, as well as an apparatus for use in said method.

Room-temperature-curable organopolysiloxane composition, structure, and method for assessing cured state of said composition

A room-temperature-curable organopolysiloxane composition; a structure obtained from the composition; and a method for assessing the cured state of the composition are provided. The room-temperature-curable organopolysiloxane composition, which changes in color with the progress of curing from the uncured state, comprises the following ingredients: (A) 100 parts by mass of one or more organopolysiloxanes represented by formula (1)
HO(SiR.sub.2O).sub.nH  (1)
and/or formula (2) ##STR00001##
(with variables as defined herein); (B) 0.1-50 parts by mass of an organosilicon compound having at least three silicon-atom-bonded hydrolyzable groups in the molecule, which is not any of ingredients (A), (C), and (D), and/or a product of the partial hydrolytic condensation of the organosilicon compound; (C) 0.01-20 parts by mass of a curing catalyst; (D) 0.1-10 parts by mass of a silane coupling agent; and (E) 0.01-10 parts by mass of a pH indicator.

CROSSLINKABLE POLYSILOXANE
20220380553 · 2022-12-01 ·

The present invention provides a liquid polysiloxane comprising a siloxane-thiourea segment and a crosslinkable functional group(s) selected from one or more ethylenically unsaturated groups, silyl hydride groups, alkylenethiol groups and combinations thereof.

CROSS-LINKED POLYMERIC MATERIALS, METHODS OF THEIR PREPARATION AND USES THEREOF
20230096635 · 2023-03-30 ·

The present disclosure relates to methods for preparing cross-linked polymeric materials, cross-linked polymeric materials which can be prepared by such methods and uses of such cross-linked polymeric materials, for example, as antibacterial surfaces or coatings. The present disclosure also relates to polymers such as the polymer of the general Formula (III) which can be used, for example, to prepare such cross-linked polymeric materials:

##STR00001##

OPTICAL FILM HAVING EXCELLENT IMPACT RESISTANCE AND DISPLAY DEVICE COMPRISING SAME
20230097067 · 2023-03-30 ·

The present disclosure provides an optical film comprising: a light-transmitting substrate; and a buffer layer, wherein a first impact resistance parameter calculated by equation 1 is 0.08 or higher, and a display device comprising the optical film.

OPTICAL FILM HAVING EXCELLENT RESTORING FORCE AFTER FOLDING AND DISPLAY DEVICE INCLUDING SAME
20230100624 · 2023-03-30 ·

The present disclosure provides an optical film and a display device including the optical film, the optical film comprising a light-transmissive substrate and a buffer layer, wherein a first folded mark parameter calculated by equation 1 ranges from 0.7 to 7.0.

OLEOGEL BASED ON FATTY ACID AMIDE-CONTAINING POLYMER AND PREPARATION METHOD THEREFOR
20230037110 · 2023-02-02 ·

The present invention relates to a fatty acid amide-based oleogel containing polymer and a method for preparing same and, more particularly, to a fatty acid amide-based oleogel containing polymer and a method for preparing same, the oleogel comprising: a substrate formed of a polymer of a fatty acid amide having a single double bond and a silicone polymer, or a composition comprising same; and an oleogel surface formed by impregnating the substrate with oil, wherein, in the silicone polymer, first silyl-terminated polydialkylsiloxane is crosslinked with second vinyl-terminated polydialkylsiloxane, and the fatty acid amide is linked to the first silyl-terminated polydialkylsiloxane. Also, the present invention can provide use of the fatty acid amide-based oleogel containing polymer according to the present invention.

Aqueous emulsions of oxamidoester-functionalized organopolysiloxanes
11613672 · 2023-03-28 · ·

Aqueous emulsions contain (A) oxamidoester-functionalized organopolysiloxanes having units of the formula
R.sup.1.sub.a(OR.sup.2).sub.bZ.sub.cSiO.sub.(4−a−b−c)/2  (I)
where
Z is a group of the formula
—Y—NR.sup.X—CO—CO—O—R.sup.3  (II),
with the proviso that the sum a+b+c is ≤3 and each molecule contains at least one radical Z.
(B) emulsifiers and
(C) water.