GB1017494A - Production of moulded articles - Google Patents

Production of moulded articles

Info

Publication number
GB1017494A
GB1017494A GB4093862A GB4093862A GB1017494A GB 1017494 A GB1017494 A GB 1017494A GB 4093862 A GB4093862 A GB 4093862A GB 4093862 A GB4093862 A GB 4093862A GB 1017494 A GB1017494 A GB 1017494A
Authority
GB
United Kingdom
Prior art keywords
lactams
esters
acid halides
caprolactam
specified
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
GB4093862A
Inventor
Guenther Daumiller
Guenter Becht
Lothar Schlemmer
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.)
BASF SE
Original Assignee
BASF SE
Badische Anilin and Sodafabrik AG
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 BASF SE, Badische Anilin and Sodafabrik AG filed Critical BASF SE
Publication of GB1017494A publication Critical patent/GB1017494A/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
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
    • C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
    • C08G69/14—Lactams
    • C08G69/16—Preparatory processes
    • C08G69/18—Anionic polymerisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/003—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor characterised by the choice of material
    • B29C39/006—Monomers or prepolymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/22—Component parts, details or accessories; Auxiliary operations
    • B29C39/38—Heating or cooling

Abstract

A process for the polymerization of lactams having seven or more ring members with simultaneous moulding of the resultant polymer, wherein the lactams are polymerized in hollow moulds by heating said moulds to the polymerization temperature of the lactams, the reaction taking place in the presence of alkaline catalysts comprises melting the lactam at temperatures below polymerization temperature and then introducing the melt together with the alkaline catalyst into the hollow mould by means of conveying equipment. Specified lactams are e -caprolactam, oenantholactam, caprylolactam and laurolactam. Specified catalysts are the alkali metals and hydroxides, carbonates, alcoholates and lactamates thereof. Specified activators are carboxylic acid halides and esters, lactones, inorganic acid halides and esters, substituted ureas, urethanes and guanidines, sulphonic acid halides and esters, phosphoric acid halides and esters, isocyanates, carbodiimides and ketones. The example describes the polymerization of e -caprolactam in an injection cylinder in the presence of potassium and 1 : 6-bis-(caprolactam-N-carbamido)-hexane.
GB4093862A 1961-11-07 1962-10-30 Production of moulded articles Expired GB1017494A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB64685A DE1188808B (en) 1961-11-07 1961-11-07 Process for the polymerization of lactams with seven or more ring members with shaping

Publications (1)

Publication Number Publication Date
GB1017494A true GB1017494A (en) 1966-01-19

Family

ID=6974482

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4093862A Expired GB1017494A (en) 1961-11-07 1962-10-30 Production of moulded articles

Country Status (3)

Country Link
BE (1) BE624467A (en)
DE (1) DE1188808B (en)
GB (1) GB1017494A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3317646A (en) * 1963-09-30 1967-05-02 Polymer Corp Method for casting nylon
US4496514A (en) * 1983-01-27 1985-01-29 The B. F. Goodrich Company Process using supercooled liquid lactam mixtures

Also Published As

Publication number Publication date
DE1188808B (en) 1965-03-11
BE624467A (en)

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