GB717129A - Synthetic hard ester resins prepared from alpha, beta-unsaturated polycarboxylic acids - Google Patents

Synthetic hard ester resins prepared from alpha, beta-unsaturated polycarboxylic acids

Info

Publication number
GB717129A
GB717129A GB20438/51A GB2043851A GB717129A GB 717129 A GB717129 A GB 717129A GB 20438/51 A GB20438/51 A GB 20438/51A GB 2043851 A GB2043851 A GB 2043851A GB 717129 A GB717129 A GB 717129A
Authority
GB
United Kingdom
Prior art keywords
rosin
oils
acids
pentaerythritol
unsaturated polycarboxylic
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
GB20438/51A
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.)
Hercules Powder Co
Original Assignee
Hercules Powder Co
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
Priority claimed from US183983A external-priority patent/US2569495A/en
Application filed by Hercules Powder Co filed Critical Hercules Powder Co
Publication of GB717129A publication Critical patent/GB717129A/en
Priority claimed from JP51013915A external-priority patent/JPS5847402B2/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09F—NATURAL RESINS; FRENCH POLISH; DRYING-OILS; DRIERS (SICCATIVES); TURPENTINE
    • C09F1/00—Obtaining purification, or chemical modification of natural resins, e.g. oleo-resins
    • C09F1/04—Chemical modification, e.g. esterification
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
    • C08F297/06—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type
    • C08F297/08—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins
    • C08F297/083—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins the monomers being ethylene or propylene
    • C08F297/086—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins the monomers being ethylene or propylene the block polymer contains at least three blocks
    • 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
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/52—Polycarboxylic acids or polyhydroxy compounds in which at least one of the two components contains aliphatic unsaturation

Abstract

A resin suitable for use in coating compositions is made by heating together an adduct from 1 mol of a rosin acid material and 0.46-0.86 mols of an alpha-beta-unsaturated polycarboxylic acid or anhydride with an amount of pentaerythritol monomer or a mixture of pentaerythritol monomer and up to 80 per cent. of pentaerythritol polymer sufficient for complete esterification of the acid components, until the product has an acid number which is low enough to provide an ester of substantial clarity but is not below a certain value as determined from a graph. Reaction may be performed in presence of an esterification catalyst, e.g. calcium acetate, zinc oxide and lithium carbonate, cadmium acetate, litharge or lead acetate. Specified rosin acid materials are wood and gum rosin, abietic, l-pimaric, d-pimaric and sapinic acids; hydrogenated, dehydrogenated, disproportionated and heat-treated rosin; and tall oil resin acids. Specified unsaturated polycarboxylic acids are maleic, fumaric, itaconic and citraconic acids or anhydrides. The resins yield varnishes, thinnable with mineral spirits, when cooked with oils, e.g. raw or bodied oils, or maleic or cyclopentadiene treated soft oils. Specified oils are safflower, soyabean, fish, linseed and dehydrated castor. Examples are given in which adducts of wood rosin and maleic anhydride are heated with pentaerythritol and the products cooked with soyabean oil. U.S.A. Specifications 2,322,197 and 2,344,194 are referred to.
GB20438/51A 1950-09-09 1951-08-29 Synthetic hard ester resins prepared from alpha, beta-unsaturated polycarboxylic acids Expired GB717129A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US1050334XA 1950-09-09 1950-09-09
US717129XA 1950-09-09 1950-09-09
US183983A US2569495A (en) 1950-09-09 1950-09-09 Synthetic hard resins prepared from alpha, beta-unsaturated polycarboxylic acids
JP51013915A JPS5847402B2 (en) 1976-02-13 1976-02-13 Polymer composition for molding and its manufacturing method

Publications (1)

Publication Number Publication Date
GB717129A true GB717129A (en) 1954-10-20

Family

ID=33033234

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20438/51A Expired GB717129A (en) 1950-09-09 1951-08-29 Synthetic hard ester resins prepared from alpha, beta-unsaturated polycarboxylic acids

Country Status (2)

Country Link
GB (1) GB717129A (en)
NL (1) NL83764C (en)

Also Published As

Publication number Publication date
NL83764C (en)

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