The invention relates to compositions of α,α-branched alkane carboxylic acids glycidyl esters which derived from rosin and or hydrogenated rosin reacted with an epihalohydrin. The above glycidyl esters compositions can be used for example, as monomer in binder compositions for paints or adhesives, as reactive diluent or as acid scavenger. This invention is also about the uses of rosin and or hydrogenated rosin glycidyl ester in combinations with polyester polyols, or acrylic polyols, or polyether polyols.

A process comprises (i) providing an isocyanate component A that is a reaction product of an aliphatic polyisocyanate, an aromatic polyisocyanate, an aliphatic polyester polyol, and a polyether polyol; (ii) providing a polyol component B comprising an aliphatic polyester polyol and a polyether polyol; (iii) mixing A and B to form a solventless adhesive (SLA) composition component A and component B each comprises an aliphatic polyester polyol having a viscosity from 800 to 6000 mPa.Math.s at 25° C. and a hydroxyl number from 60 to 180 mg KOH/g; the SLA composition has (a) an initial viscosity at 40° C. from 500 to 1600 mPa.Math.s, (b) an increasing viscosity ratio from 100% to 112% of the initial viscosity after the SLA composition stands at 40° C. for 10 min, and (c) an end viscosity at 40° C. from 120% to 210% of the initial viscosity at 40 min after forming the SLA composition.

A method of a polyurethane foam includes the following steps of: (1) simultaneously pumping a mixed solution prepared from hydrogen peroxide, an organic acid, a catalyst and a stabilizer and a vegetable oil into a first microstructured reactor of a micro-channel modular reaction device for reacting to obtain a reaction solution containing epoxidized vegetable oil; (2) simultaneously pumping the reaction solution containing the epoxidized vegetable oil obtained from the step (1) and a compound of formula III into a second microstructured reactor of the micro-channel modular reaction device for reaction to obtain a vegetable oil polyol; and (3) reacting the vegetable oil polyol prepared from the step (2) with a foam stabilizer, a cyclohexylamine, an isocyanate and a foaming agent cyclopentane for foaming so as to prepare a rigid polyurethane foam.

A high-solid-content coating composition includes: (A) a hydroxy group-containing acrylic resin having a glass transition temperature (Tg) in a range of 20 C. to 70 C. and a weight average molecular weight in a range of 3,000 to 10,000; (B) a hydroxy group-containing polyester resin being a reaction product of a polyfunctional compound (b-1) having a carboxy group and a hydroxy group in total of three or more in one molecule, a monoepoxide compound (b-2) having a hydrocarbon group having 4 or more carbon atoms, and a caprolactone compound (b-3); and (C) a polyisocyanate compound, in which a solid content at the time of coating is 50 mass % or more.

A method of manufacturing a polyurethane phase-change composition comprises forming a curable composition comprising a homogeneous mixture of an organic isocyanate, a polyol having a hydroxyl functionality of 1.5 to 5, and a phase-change material; and curing the curable composition to obtain a polyurethane phase-change composition, wherein the polyurethane phase-change composition has a transition temperature, determined by differential scanning calorimetry according to ASTM D3418, of 5 to 70 C.

A method for the preparation of polyol from an unsaturated TAG oil that can function similarly to castor oil in certain applications. The method comprises controlled epoxidation of the TAG oil with an acid and an oxidizing agent to obtain a partially epoxidized TAG oil with desired iodine and oxirane values; hydroxylating the partially epoxidized TAG oil using a monoalcohol and a solid acid catalyst to obtain the polyol. The resulting polyols are comprised of a triglyceride structure and hydroxyl values, viscosities, and colors that are similar to castor oil.

A vegetable oil polyol for flexible polyurethane foam, a preparation method and application thereof. The method includes the following steps: (1) subjecting an epoxidized vegetable oil, a benzoylformic acid, a basic catalyst, and an inert solvent to a ring-opening reaction in a first microchannel reactor of a microchannel reaction device to obtain a vegetable oil polyol; and (2) subjecting the vegetable oil polyol obtained in the step (1), a propylene oxide and an inert solvent to an addition polymerization reaction in a second microchannel reactor of the microchannel reaction device to obtain the vegetable oil polyol for flexible polyurethane foam.

A method comprises enabling epoxy vegetable oil to react with a compound of a formula III in a second microstructured reactor to obtain the vegetable oil polyol. Compared with the existing technology, the present invention adopts a novel, environment-friendly ring-opening agent, the obtained polyol is novel in structure, high in hydroxyl value, even in distribution and low in viscosity, and can completely replace traditional petrochemical polyol to be applied to the preparation of polyurethane foam materials.

A method for the preparation of polyol from an unsaturated TAG oil that can function similarly to castor oil in certain applications. The method comprises controlled epoxidation of the TAG oil with an acid and an oxidizing agent to obtain a partially epoxidized TAG oil with desired iodine and oxirane values; hydroxylating the partially epoxidized TAG oil using a monoalcohol and a solid acid catalyst to obtain the polyol. The resulting polyols are comprised of a triglyceride structure and hydroxyl values, viscosities, and colors that are similar to castor oil.

Acrylic polyols comprising hydroxy functional acrylic copolymers/resin involving an acrylic backbone having modified castor oil sourced hydroxyl functionalities and synthesized by co-reacting modified hydroxy functional Castor Oil with variety of acrylic monomers, styrene or its derivatives and optionally hydroxyalkyl acrylates/methacrylates and ethylenic monomer through solution polymerization in presence of an initiator. The hydroxyl functionality is solely or partially imparted through renewable Castor Oil wherein the resins were synthesized at upto 100% solids and at hydroxyl values ranging from 25-150 (mg KOH/gm). The synthesized resins when cured with suitable polyisocyanates or amino resin cross-linkers provided tough, glossy and chemical & weather resistant coatings.