Process and apparatus for crimping yarns and the like
    1.
    发明授权
    Process and apparatus for crimping yarns and the like 失效
    冲击纱线等的工艺和装置

    公开(公告)号:US3640063A

    公开(公告)日:1972-02-08

    申请号:US3640063D

    申请日:1969-09-10

    Applicant: BASF AG

    CPC classification number: D02G1/16 H05B3/50 Y10T428/2922

    Abstract: Process and apparatus for crimping yarns or the like by the action of a heated flowing gaseous medium, the yarns being exposed to the heated flowing gaseous medium in two successive treatment chambers. Yarns of synthetic linear high molecular weight substances can be crimped by means of the process and apparatus according to the invention in a simple way and at high yarn speeds.

    Abstract translation: 用于通过加热流动的气态介质的作用卷曲纱线等的方法和设备,纱线在两个连续的处理室中暴露于加热流动的气态介质。 合成的线性高分子量物质的纱线可以通过简单的方法和高纱线速度通过根据本发明的方法和装置进行卷曲。

    Stabilised linear polyamides with carbon-amide groups in the chain

    公开(公告)号:GB1005808A

    公开(公告)日:1965-09-29

    申请号:GB2642062

    申请日:1962-07-10

    Applicant: BASF AG

    Abstract: A composition comprises 99.99 to 95% by weight of a linear polyamide or polyurethane and 0.01 to 5% by weight of a compound having the general formula A-R1-B or E-R1-D where R1 is a divalent aliphatic radical with 2 to 12 carbon atoms or a divalent aromatic radical; A is E is R2 is hydroxy, methoxy, propoxy or butoxy or -O-CH2-O- or -O-CH2-CH2-O where the oxygen atoms are attached directly to adjacent positions of the benzene nucleus; R3 is hydrogen, methyl, ethyl, propyl, isobutyl, hydroxy, methoxy, ethoxy, propoxy or butoxy or -O-CH2-O- or -O-CH2-CH2-O-where the oxygen atoms are attached directly to adjacent positions of the benzene nucleus; B is hydrogen, A, COOR4 (where R4 is an alkyl group with one to eight carbon atoms), NHR5 (where R5 is an alkyl group with from one to four carbon atoms or an aryl group), N(R6)2 (where R6 is an alkyl group with one to four carbon atoms, an alkoxy group with one to carbon atoms or an aryloxy group with six to twelve carbon atoms) and D is hydrogen, E, COOR4, NHR5, NR6, an alkoxy group with 1 to 4 carbon atoms or an aryloxy group with six to twelve carbon atoms. Specified polyamides are polyhexamethylene adipamide, polym-xylylene adipamide, polypyrrolidone, polypiperidone, poly-e -caprolactam, poly-caprylic lactam, polydodecylic lactam and poly-undecylic lactam. Specified poly-urethanes are those derived from 1 : 6-hexane diisocyanate and 1 : 4-butylene diol. In the examples: (1) e -caprolactam and hexamethylene diammonium adipate are co-polymerized in the presence of 3 : 4-methylene dioxybenzal-p-amino-diphenylamine; (2) e -capolactam is polymerized in the presence of (a) N : N1 : bis - 3 : 4-methylene-dioxybenzal - ethylenediamine; (b) N : N1-bis - 3 : 4 - methylenedioxybenzal - p - phenylene diamine; (c) N-benzal-p-aminodiphenylamine; (d) N-4-oxy-3 : 5-ditertiarybutyl-benzal - p - aminodiphenylamine; (e) N - 4 - oxy - 3 - methoxybenzal - p - aminodiphenylamine; (f) N - benzal - b - naphthylamine; (g) N - 4 - oxy - 3 - methoxybenzal - b - naphthylamine; (h) N - 3 : 4 - methylenedioxybenzal - b - naphthylamine; (i) N : N1 - bis - 3 : 4 - methylenedioxybenzal - hexamethylenediamine; (j) N - 3 : 4 - methylenedioxybenzal - p - ethylaminobenzoate; (k) N - phenyl - N1 - 3 : 41 - methylenedioxybenzal - 1 : 4 - phenylenediamine, and (1) N-3 : 4-methylenedioxybenzal-aniline.

    Optically brightened macromolecular organic substances

    公开(公告)号:GB913735A

    公开(公告)日:1962-12-28

    申请号:GB2195360

    申请日:1960-06-23

    Applicant: BASF AG

    Abstract: A macromolecular organic substance contains for the homogeneous optical brightening thereof at least one compound of the 1,4-bis-styryl benzene series having the general formula in which R1 and R11 denote carboxyl groups carboxylic acid ester or amide groups or nitrile groups, R2 and R3 denote hydrogen, halogens, alkyl groups, aralkyl groups or alkoxy groups, and in which R1 and R11 may be identical or different and symmetrically or unsymmetrically attached to the benzene rings, and R2 and R3 may be identical or different. Specified macromolecular substances are polyamides, polyesters, aminoplasts, rubbers, regenerated cellulose, polymers and copolymers of styrene, vinyl chloride, vinylidene chloride, butadiene, acrylamide and acrylonitrile, polyethylene, polypropylene, polyisobutylene and polyformaldehyde. In the Examples:- (1) a mixture of caprolactam and hexamethylene diammonium adipate is polymerized in the presence of 1,4-bis-(p-carbomethoxystyryl)-benzene; (2) caprolactam is polymerized in the presence of titanium dioxide and 1,4-bis-(p-cyanostyryl)-benzene; (3) hexamethylene diammonium adipate is polymerized in the presence of 1,4-bis-(m-carbomethoxystyryl) benzene; (4) sebacic acid and hexamethylene diamine are polymerized in the presence of 1,4-bis-(p-carbomethoxystyryl)-benzene; (5) polycaprolactam is mixed with 1,4-bis-(p-cyanostyryl)-benzene and ditertiary-butyl-p-cresol; (6) polypropylene is mixed with 1,4-bis-(p-cyanostyryl)-benzene; (7) dimethyl terephthalate and ethylene glycol are polymerized in the presence of zinc acetate, antimony trioxide and 1,4-bis-(p-carbomethoxystyryl)-benzene; (8) polypropylene is mixed with titanium dioxide and 1,4-bis-(p-carbomethoxystyryl)-benzene; (9) dimethyl terephthalate and ethylene glycol are polymerized in the presence of antimony trioxide, zinc acetate and 1,4-bis-(p-cyanostyryl)-benzene and (10) polyformaldehyde impregnated with a solution of a polyamide made from hexamethylene diammonium adipate, p-diamino-dicyclohexylmethane adipate, caprolactam and 2,21-methylene-bis-(4-ethyl-6-t-butyl phenol) is mixed with (a) 1,4-bis-(41-carbomethoxystyryl)-benzene, (b) bis-(41-cyanostyryl)-benzene. Specification 813,539 is referred toALSO:1,4-bis-styrylbenzenes of the formula: wherein R1 and R11 are identical or different and may be carboxyl groups, esterified carboxyl groups, nitrile groups, or carboxylic amide groups are made by reacting a m or p-benzyl halide derivative of the formula with a triarylphosphine to form triaryl-cyano benzylphosphonium chloride, 2 mols of which are reacted in the presence of an alkaline condensing agent with one mol of a terephthaldehyde of the general formula where R2 and R3 which may be the same or different are hydrogen, halogens, alkyl groups, aralkyl groups or alkoxy groups. Examples describe the preparation of 1,4-bis-(p-carbomethoxystyryl)benzene; 1,4-bis-(p-cyanostyryl) benzene; 1,4-bis(m-cyanostyryl)benzene; and 1,4 - bis(m-carbomethoxystyryl)benzene. Specification 813,539 is referred to.

    Stabilised, linear polycondensation products containing carboxylic amide groups

    公开(公告)号:GB1036414A

    公开(公告)日:1966-07-20

    申请号:GB1732963

    申请日:1963-05-02

    Applicant: BASF AG

    Abstract: Compositions stable against heat, oxygen and light comprise 99.99 to 95% by weight of a polycondensation product containing carboxylic amide groups in the chain and 0.01 to 5% of a compound containing at least one catechol methylene ether group in the molecule and which is not a Schiff's base, a Schiff's base selectively hydrogenated on the azomethine group, a bis styrylbenzene or a stilbene. Specified polycondensates are polyamides, e.g. from hexamethylenediamine and adipic acid or from lactams such as pyrrolidone, piperidone, caprolactam, caprylolactam, dodecylolactam or undecylolactam, polyurethanes and polyureas. The majority of the stabilizers conform to the formula where R1, R2 and R3 are H or substituent group but compounds containing two or more catechol methylene ether groups may also be used. In the specific example polycaprolactam is stabilized with 3,4-methylenedioxybenzoic acid; 3-phenyl-2-(31,41-methylenedioxyphenyl) -thiazolidone-4; and 3-(41-N-phenylaminophenyl)-2 -2 (311,411-methylenedioxyphenyl)-thiazolidone-4. Other stabilizers mentioned are: p-xylylene glycol-bis-(3,4-methylenedioxybenzyl ether); alpha-beta-bis-(3,4-methylenedioxyphenyl)-ethane; 2,5-dimethoxy-3,4-methylenedioxyphenylglyoxylic acid; 2,5-dimethoxy-3,4-methylenedioxyacetophenone; N-ethyl-3,4-methylenedioxybenzylamine; 3,4-methylenedioxyaniline; 3,4-methylenedioxyacetanilide; 6-acetoamino-3,4-methylenedioxy-1-propylbenzene; 3,4-methylenedioxybenzyl alcohol; methyl-3,4-methylene dihydroxy cinnamate; 6,7-methylenedioxy-3,4-dihydroisocoumarin; 3,4-methylenedioxyphthalic anhydride; 7-hydroxy -3-(3,4-methylenedioxyphenyl)-chromone; 2,3:6,7-bismethylenedioxy-9,10-dihydroanthracene piperonaldibutylacetal; 3,4-methylenedioxyacetophenone; 3,4-methylenedioxyphenylacetone; piperonaldiphenylmercaptal; 5,6-methylenedioxyhydrindone-1; 3,4-methylenedioxyphenylacetic acid; gamma-piperonylbutyric acid; ethyl 3,4-methylenedioxybenzoate; 3,4-methylenedioxybenzonitrile; 3,4-methylenedioxybenzamide; ethyl piperate; 2-(3,4-methylenedioxyphenyl)-benzimidazole; and 6,7-methylenedioxyhydroisocarbostyryl.

    Production of bulked yarn
    10.
    发明专利

    公开(公告)号:GB1110675A

    公开(公告)日:1968-04-24

    申请号:GB77566

    申请日:1966-04-07

    Applicant: BASF AG

    Abstract: Crimped yarn possessing both high-stretch and bulk properties is produced by plying a 10-20 denier, nylon monofilament with a nylon multifilament yarn having individual filament denier of 2-10 and false-twisting and heat-setting the doubled yarn.

Patent Agency Ranking