C08K5/107

SURFACE PRIMER COMPOSITIONS AND METHODS OF USE
20230103027 · 2023-03-30 · ·

In one embodiment, the present application discloses a surface binding compound of the Formula I or Formula II:

##STR00001##

wherein the variables EG, EG1, SP1, SP2, SP3, Ar and BG are as defined herein. In another embodiment, the application discloses a method for forming a coating on a surface of a substrate using the surface binding compound of the Formula I or Formula II.

Adhesive composition, adhesive comprising same, and manufacturing method therefor

The present invention relates to an adhesive composition comprising a polyvinyl alcohol and a water-soluble polyphenol compound, to an adhesive comprising the same, and to a manufacturing method therefor and, more specifically, to an adhesive composition, which has little toxicity, can adhere even without a curing process unlike a conventional adhesive, enables the manufacturing of a gel by hydrogen binding characteristics between the polyvinyl alcohol compound and the water-soluble polyphenol compound, and retains adhesive properties in water.

Adhesive composition, adhesive comprising same, and manufacturing method therefor

The present invention relates to an adhesive composition comprising a polyvinyl alcohol and a water-soluble polyphenol compound, to an adhesive comprising the same, and to a manufacturing method therefor and, more specifically, to an adhesive composition, which has little toxicity, can adhere even without a curing process unlike a conventional adhesive, enables the manufacturing of a gel by hydrogen binding characteristics between the polyvinyl alcohol compound and the water-soluble polyphenol compound, and retains adhesive properties in water.

Preparation method of green, biodegradable, and multifunctional collagen-based nanocomposite film

Disclosed a preparation method of a green, biodegradable, and multifunctional collagen-based nanocomposite film, and overcomes the problems of difficult biodegradation, poor barrier property, and single function of food packaging materials in the existing technologies. The present invention includes the following steps: adding silicate nanosheet into deionized water for ultrasonic dispersion; then adding polyphenolic acid into the mixture, wherein a mass ratio of the polyphenolic acid to the silicate nanosheet is 1:(0.2˜1); and adjusting the pH value to 3.0˜4.0 to obtain a solution A; adding collagen with a concentration of 5 g/L into an acetic acid solution, and fully dissolving the collagen to obtain a solution B; isovolumetrically mixing the solution A with the solution B, stirring at room temperature, and adjusting the pH value to 4.5˜5.5 to obtain a casting solution; and pouring the casting solution into a polytetrafluoroethylene mold, and naturally drying to obtain a nanocomposite film.

INTUMESCENT COMPOSITIONS PRODUCING AND RELYING UPON LOW DENSITY CARBON FOAMS
20230066158 · 2023-03-02 ·

An intumescent composition based upon modifications to tannic acid (TA), including certain additives, is contemplated. Such compositions may be incorporated in epoxy and other resin-based coatings. The resulting composition produces a novel, lightweight, and extremely effective intumescent char having a density of 1.5 to 4.0 mg/cm.sup.3.

INTUMESCENT COMPOSITIONS PRODUCING AND RELYING UPON LOW DENSITY CARBON FOAMS
20230066158 · 2023-03-02 ·

An intumescent composition based upon modifications to tannic acid (TA), including certain additives, is contemplated. Such compositions may be incorporated in epoxy and other resin-based coatings. The resulting composition produces a novel, lightweight, and extremely effective intumescent char having a density of 1.5 to 4.0 mg/cm.sup.3.

Polymer-based resin compositions derived from cellulose and articles made using these compositions

A shaped article comprising a polymer-based resin derived from cellulose, wherein the polymer-based resin has an HDT of at least 95° C., a bio-derived content of at least 20 wt %, a notched izod impact strength of greater than 80 J/m and at least one of the following properties chosen from: flexural modulus of greater than 1900 MPa; a spiral flow length or at least 3.0 cm; a flex creep deflection of less than 12 mm; a transmission of at least 70%; a ΔE value of less than 25; or an L* color of at least 85.

Polymer-based resin compositions derived from cellulose and articles made using these compositions

A shaped article comprising a polymer-based resin derived from cellulose, wherein the polymer-based resin has an HDT of at least 95° C., a bio-derived content of at least 20 wt %, a notched izod impact strength of greater than 80 J/m and at least one of the following properties chosen from: flexural modulus of greater than 1900 MPa; a spiral flow length or at least 3.0 cm; a flex creep deflection of less than 12 mm; a transmission of at least 70%; a ΔE value of less than 25; or an L* color of at least 85.

PHOTO-CLEAVABLE PRIMER COMPOSITIONS AND METHODS OF USE

In one embodiment, the present application discloses a photo-cleavable surface binding compound of the Formula I and Formula II:

##STR00001##

wherein the variables EG, EG1, SP1, SP2, SP3, Ar and BG are as defined herein. In another embodiment, the application discloses a method for forming a coating on a surface of a substrate using the surface binding compound.

Photo-cleavable primer compositions and methods of use

In one embodiment, the present application discloses a photo-cleavable surface binding compound of the Formula I and Formula II: ##STR00001##
wherein the variables EG, EG1, SP1, SP2, SP3, Ar and BG are as defined herein. In another embodiment, the application discloses a method for forming a coating on a surface of a substrate using the surface binding compound.