GB953357A - A process for the preparation of urethane modified vegetable oils - Google Patents

A process for the preparation of urethane modified vegetable oils

Info

Publication number
GB953357A
GB953357A GB3828860A GB3828860A GB953357A GB 953357 A GB953357 A GB 953357A GB 3828860 A GB3828860 A GB 3828860A GB 3828860 A GB3828860 A GB 3828860A GB 953357 A GB953357 A GB 953357A
Authority
GB
United Kingdom
Prior art keywords
oil
polyisocyanate
pentaerythritol
mixture
ester
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3828860A
Inventor
Hans Milton Hauge
Joseph Anthony Pawlak
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Textron Inc
Original Assignee
Textron Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Textron Inc filed Critical Textron Inc
Priority to GB3828860A priority Critical patent/GB953357A/en
Publication of GB953357A publication Critical patent/GB953357A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/36—Hydroxylated esters of higher fatty acids

Abstract

A process for the preparation of a urethane modified vegetable oil having drying properties is characterized by (a) heating an ethylenically unsaturated triglyceride oil having drying properties with an amount of an aliphatic alcohol containing at least three hydroxyl groups until alcoholysis has occurred with ester interchange to form a diol ester oil system, that is, an ester having two free hydroxyl groups in the molecule, the resultant alcoholized oil having a hydroxyl value in the range 120 to 260, then (b) reacting such diol ester system with a polyisocyanate by contact and at a temperature of 130 DEG F. or less, the ratio of polyisocyanate to the hydroxyl of the oil diol ester system being 0.9 to 1.3 on an equivalent basis until there is 20% or less of the polyisocyanate unreacted and then heating the mixture to above 130 DEG F. until there is less than 1% unreacted polyisocyanate in the mixture, whereby a final product is produced possessing an oil length of 40% to 85%. Specified diol esters are: those of tall oil acids with a mixture of glycerol and pentaerythritol; reaction products of linseed oil with pentaerythritol, tripentaerythritol, trimethylolpropane or glycerine; or a reaction product of pentaerythritol with soy oil or safflower oil. Preferably the reaction with the polyisocyanate is effected in a solvent such as xylene or mineral spirits. Other oils referred to are sesame, poppyseed, sunflower, perilla and corn oils.
GB3828860A 1960-11-08 1960-11-08 A process for the preparation of urethane modified vegetable oils Expired GB953357A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3828860A GB953357A (en) 1960-11-08 1960-11-08 A process for the preparation of urethane modified vegetable oils

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3828860A GB953357A (en) 1960-11-08 1960-11-08 A process for the preparation of urethane modified vegetable oils

Publications (1)

Publication Number Publication Date
GB953357A true GB953357A (en) 1964-03-25

Family

ID=10402476

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3828860A Expired GB953357A (en) 1960-11-08 1960-11-08 A process for the preparation of urethane modified vegetable oils

Country Status (1)

Country Link
GB (1) GB953357A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3332896A (en) * 1963-12-23 1967-07-25 Atlas Chem Ind Oil-modified polyurethanes
US3485779A (en) * 1967-10-19 1969-12-23 Us Agriculture Diisocyanate modified vegetable oil hydroxyl-terminated polyesteramide coatings
DE2400490A1 (en) * 1974-01-05 1975-07-17 Akzo Gmbh METHOD FOR MANUFACTURING CATIONIC POLYURETHANES
EP0371294A2 (en) * 1988-11-22 1990-06-06 Bayer Ag Use of polyurethane masses for the production of glass fiber containing laminates

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3332896A (en) * 1963-12-23 1967-07-25 Atlas Chem Ind Oil-modified polyurethanes
US3485779A (en) * 1967-10-19 1969-12-23 Us Agriculture Diisocyanate modified vegetable oil hydroxyl-terminated polyesteramide coatings
DE2400490A1 (en) * 1974-01-05 1975-07-17 Akzo Gmbh METHOD FOR MANUFACTURING CATIONIC POLYURETHANES
EP0371294A2 (en) * 1988-11-22 1990-06-06 Bayer Ag Use of polyurethane masses for the production of glass fiber containing laminates
EP0371294A3 (en) * 1988-11-22 1990-06-20 Bayer Ag Process for the preparation of polyurethane masses
US5286831A (en) * 1988-11-22 1994-02-15 Bayer Aktiengesellschaft At least substantially pore-free polyurethane molding compounds

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