Omniphobic compatibilizers for clear coatings, related articles, and related methods

    公开(公告)号:US11746176B2

    公开(公告)日:2023-09-05

    申请号:US17624652

    申请日:2020-07-03

    CPC classification number: C08F283/124 C08F2/50 C09D5/1675

    Abstract: The disclosure generally relates to omniphobic compatibilizers, which include a polymerization reaction product between a first vinyl monomer, optionally a second vinyl crosslinking monomer, and a functionalized omniphobic polymer. The functionalized omniphobic polymer can include two or more vinyl functional groups or at least one free radical initiator functional group such that the reaction product forming the omniphobic compatibilizer can be a vinyl or free-radical polymerization product. The omniphobic compatibilizer can be incorporated into a UV-curable or a non-UV-curable thermoset omniphobic composition. The UV-curable composition can be a crosslinked polymerization reaction product between the omniphobic compatibilizer, a third vinyl monomer, and a fourth polyvinyl crosslinking monomer. The non-UV-curable composition can be a crosslinked polymerization reaction product between the omniphobic compatibilizer, a first thermosetting component, and a second thermosetting component. The thermoset omniphobic composition can be a coating on a substrate in a corresponding coated article.

    REVERSIBLE ADHESIVE COMPOSITIONS, RELATED ARTICLES, AND RELATED METHODS

    公开(公告)号:US20210024452A1

    公开(公告)日:2021-01-28

    申请号:US16935364

    申请日:2020-07-22

    Abstract: The disclosure relates to a reversible adhesive composition including a copolymer between a vinyl spacer monomer unit and a vinyl reversible binder monomer unit. Each monomer unit can be based on acrylate monomer, a vinyl ester monomer, or a vinyl ether monomer, with the spacer monomer unit generally having a shorter pendant chain (such as 1-3 carbon atoms) and the reversible binder monomer unit having a longer pendant chain (such as 3-20 carbon atoms). A corresponding article includes first and second surfaces (or substrates) that are in contact with and bonded to the reversible adhesive composition at an interface therebetween. The reversible adhesive composition generally involves non-covalent and/or non-ionic bonding forces, for example H-bonding, permanent dipole, electron donor-acceptor moieties, and/or van der Waals forces, between the copolymer chains. The first and second surfaces can be repeatedly bonded, separated, and re-bonded while retaining the adhesive strength of the reversible adhesive composition.

    POLYESTER MULTILAYER PLASTICS AND RELATED METHODS

    公开(公告)号:US20250083429A1

    公开(公告)日:2025-03-13

    申请号:US18580263

    申请日:2022-07-22

    Abstract: The disclosure relates to polyester-based multilayer plastic (MLP) articles having improved heat sealability, improved gas barrier properties, and/or improved mechanical properties. The MLP article includes first, second, and third polyester layers in a laminate or composite structure. The first polyester layer is a heat-scalable layer, the second polyester layer is a gas-barrier layer, and the third polyester layer is a functional layer providing improved mechanical or printability properties. The MLP article provides desired structural and functional properties for a wide variety of packaging applications, and the use of polyester components for each layer in the MLP article facilitates multiple effective end-of-life recycling options, including mechanical and chemical recycling routes.

    Biodegradable omniphobic coated articles and method for making

    公开(公告)号:US11155732B2

    公开(公告)日:2021-10-26

    申请号:US17269484

    申请日:2019-08-21

    Abstract: The disclosure relates to omniphobic coatings, related articles including such coatings, and related method for forming such coatings or articles, for example biobased and/or biodegradable omniphobic coatings. The omniphobic coating includes a reaction product between an amino-functional polymer and an amino-reactive functionalized omniphobic polymer having a glass transition temperature (Tg) of 60° C. or less. The omniphobic coating has a weight ratio of amino-functional polymer relative to functionalized omniphobic polymer of at least 1 or 2. A corresponding omniphobic coated article can include the omniphobic coating on a porous substrate such as a cellulosic or paper substrate, for example to provide a water- and oil/fat/grease-resistant coating for a paper-based product. The omniphobic coating can be formed in a reaction medium before being applied to the substrate, or the omniphobic coating can be formed on the substrate with serial application of the amino-reactive functionalized omniphobic polymer and the amino-functional polymer thereon. This disclosure provides a closed loop circular economy approach for fluorine-free, water- and grease-resistant paper as the coating can be easily separated from the pulp/fiber of the paper. The recycled pulp can be used for paper making, while the separated coating in micelle form can be used for recoating.

    Rubbery unsaturated polycarbonates

    公开(公告)号:US11015009B2

    公开(公告)日:2021-05-25

    申请号:US15983312

    申请日:2018-05-18

    Abstract: An unsaturated polycarbonate has the structure: wherein X and Y are each an OH group; a transition metal and an OH group; an OH group and a COOH group; or one or both of X and Y is independently —NH2, —SH, C═C, N3, C—C triple bond, C═C, an o-tosylate, or a halogen; m is 0 to 30,000 and n is 1 to 30,000, and (m+n) is 2 or greater; R1 is a C3-C20 group chosen from particular groups; R2 is H or a second similar C3-C20 group, and R3 is optionally a third C3-C20 group having one or more C═C terminal and/or internal double bonds; and R4 is optionally H or a fourth similar C3-C20 group optionally having one or more C═C terminal and/or internal double bonds; or R3 and R4 form a ring structure having one or more C═C double bonds and having 4 to 20 carbon atoms.

    THERMOSET OMNIPHOBIC COMPOSITIONS WITH IMPROVED BARRIER PROPERTIES, RELATED ARTICLES, AND RELATED METHODS

    公开(公告)号:US20200048459A1

    公开(公告)日:2020-02-13

    申请号:US16535689

    申请日:2019-08-08

    Abstract: The disclosure relates to a thermoset omniphobic composition (such as an omniphobic polyurethane or epoxy composition) which includes a thermoset polymer with first, second, and third backbone segments. The first, second, and third backbone segments can correspond to urethane or urea reaction products of polyisocyanate(s), amine-functional omniphobic polymer(s), and polyol(s), respectively, for omniphobic polyurethanes. Similarly, the first, second, and third backbone segments can correspond to urea or beta-hydroxy amine reaction products of polyamine(s), isocyanate-functional omniphobic polymer(s), and polyepoxide(s), respectively, for omniphobic epoxies. The thermoset omniphobic composition has favorable omniphobic properties, for example as characterized by water and/or oil contact and/or sliding angles. The thermoset omniphobic composition further has favorable barrier properties, for example with respect to water vapor and oxygen transmission as well as water absorption. The thermoset omniphobic composition can be used as a coating on any of a variety of substrates to provide omniphobic properties to a surface of the substrate. Such omniphobic coatings can be scratch resistant, ink/paint resistant, and optically clear.

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