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    • 11. 发明授权
    • Molding materials comprising polyarylene ethers and copolyamides
    • 包含聚亚芳基醚和共聚酰胺的成型材料
    • US5639833A
    • 1997-06-17
    • US513631
    • 1995-08-10
    • Martin WeberHerbert FischGunter PipperAxel Gottschalk
    • Martin WeberHerbert FischGunter PipperAxel Gottschalk
    • C08L23/00C08L23/16C08L51/00C08L71/00C08L71/08C08L71/10C08L73/00C08L77/00C08L77/06C08L81/00C08L81/06C08L87/00
    • C08L81/06C08L71/00C08L77/00C08L77/06
    • The invention is directed to molding materials containingA) from 1 to 99% by weight of polyarylene ethers having repeating units I ##STR1## where t and q may each be an integer 0, 1, 2 or 3,T, Q and Z may each be a chemical bond or --O--, --S--, --SO.sub.2 --, S.dbd.O, C.dbd.O, --N.dbd.N--, R.sup.a C.dbd.CR.sup.b -- or --CR.sup.c R.sup.d --, with the proviso that at least one of the groups T, Q and Z is --SO.sub.2 -- or C.dbd.O,R.sup.a and R.sup.b,R.sup.c and R.sup.d, andAr and Ar.sup.1 are as defined in the specification,B) from 1 to 99% by weight of copolyamides containingb.sub.1) from 30 to 44 mol % of units which are derived from terephthalic acid,b.sub.2) from 6 to 20 mol % of units which are derived from isophthalic acid,b.sub.3) from 43 to 49.5 mol % of units which are derived from hexamethylenediamine,b.sub.4) from 0.5 to 7 mol % of units which are derived from aliphatic cyclic diamines of 6 to 30 carbon atoms andb.sub.5) from 0 to 4 mol % of further polyamide-forming monomers which differ from b.sub.1) to b.sub.4),along with other optional additives.
    • 本发明涉及含有A)1至99重量%的具有重复单元I(I)的聚亚芳基醚的成型材料,其中t和q可各自为整数0,1,2或3,T,Q 和Z可以各自为化学键或-O - , - S - , - SO 2 - ,S = O,C = O,-N = N-,RaC = CRb-或-CRcRd-,条件是至少 T,Q和Z中的一个是-SO 2 - 或C = O,R a和R b,R c和R d,Ar和Ar 1如说明书中所定义,B)1至99重量%的含有b1 )来自对苯二甲酸的单元为30〜44摩尔%,b2)6〜20摩尔%来自间苯二甲酸的单元,b3)43〜49.5摩尔%的衍生自六亚甲基二胺的单元,b4 )0.5〜7摩尔%的衍生自6〜30个碳原子的脂肪族环状二胺的单元,b5)0〜4摩尔%的不同于b1)〜b4)的其他聚酰胺形成性单体,以及其它任选的 添加剂。
    • 13. 发明授权
    • Continuous preparation of copolyamides
    • 连续制备共聚酰胺
    • US5030709A
    • 1991-07-09
    • US501034
    • 1990-03-29
    • Gunter PipperEckhard M. Koch
    • Gunter PipperEckhard M. Koch
    • C08G69/26C08G69/28C08G69/36
    • C08G69/265C08G69/28C08G69/36
    • Copolyamides which contain units of the formula --NH--(CH.sub.2).sub.4 --NH are prepared by a continuous process in whicha) an aqueous solution of from 5 to 80% by weight of a salt of 1,4-diaminobutane, and dicarboxylic acids and from 20 to 95% by weight of further polyamide-forming starting materials are heated to a temperature above the melting point of the copolyamide, with the addition of diamines and with vaporization of water, under superatmospheric pressure,b) the vapor phase and prepolymer are brought into intimate contact with one another,c) the prepolymer is separated from the vapor phase and the polymer is discharged after a total residence time of not more than 30 minutes, andd) diamines are separated off from the vapor phase and recycled to a).
    • 包含式-NH-(CH 2)4 -NH的单元的共聚酰胺通过连续方法制备,其中a)5-80重量%的1,4-二氨基丁烷的盐和二羧酸的水溶液 和20至95重量%的另外的聚酰胺形成原料在超大气压下加热至高于共聚酰胺熔点的温度,加入二胺并蒸发水,b)气相和预聚物 彼此紧密接触,c)将预聚物与气相分离,聚合物在总停留时间不超过30分钟后排出,并且d)将二胺从气相中分离并再循环至 一个)。
    • 14. 发明授权
    • Removal of caprolactam and oligomers thereof from nylon granules
containing same
    • 从含有它们的尼龙颗粒中除去己内酰胺及其低聚物
    • US4816557A
    • 1989-03-28
    • US167250
    • 1988-03-11
    • Gunter PipperClaus Cordes
    • Gunter PipperClaus Cordes
    • C08G69/16C08G69/46
    • C08G69/46
    • Caprolactam and oligomers thereof are removed from nylon granules containing same in a process wherein(a) nylon granules are introduced at not less than 100.degree. C. at the top of a substantially upright treatment zone,(b) nylon granules are passed downward through the treatment zone while being heated to from 130.degree. to 210.degree. C.,(c) superheated steam is passed at from 130.degree. to 210.degree. C. upward through the treatment zone,(d) dry nylon granules are withdrawn at the bottom end of the treatment zone and steam containing caprolactam and oligomers thereof is withdrawn at the top of the treatment zone,(e) the caprolactam and oligomers thereof containing steam thus obtained is passed through a column giving an aqueous solution of caprolactam and oligomers thereof as bottom product and virtually caprolactam-free steam as overhead product.
    • 在其中(a)尼龙颗粒在基本上直立的处理区的顶部不低于100℃引入尼龙颗粒的过程中,己内酰胺及其低聚物从含有其的尼龙颗粒中除去,(b)尼龙颗粒向下通过 处理区,同时加热至130℃至210℃,(c)过热蒸汽从130℃升至210℃,向上通过处理区,(d)干燥的尼龙颗粒在 处理区和含有己内酰胺及其低聚物的蒸汽在处理区的顶部排出,(e)将含有这样得到的蒸汽的己内酰胺及其低聚物通过柱,得到己内酰胺及其低聚物的水溶液作为底部产物, 实际上无己内酰胺的蒸汽作为塔顶产品。
    • 20. 发明授权
    • Continuous preparation of nylon with diamine recycling
    • 连续制备尼龙与二胺回收
    • US4537949A
    • 1985-08-27
    • US620563
    • 1984-06-14
    • Franz SchmidtGunter PipperJosef G. FlossFranz Zahradnik
    • Franz SchmidtGunter PipperJosef G. FlossFranz Zahradnik
    • C08G69/26C08G69/00C08G69/28C08L77/00
    • C08G69/28
    • Nylons are prepared by a continuous process in which, in an evaporator zone, an aqueous solution of a salt of a dicarboxylic acid of 6 to 18 carbon atoms and a diamine of 6 to 18 carbon atoms is heated to 250.degree.-300.degree. C. under superatmospheric pressure, with simultaneous vaporization of water and formation of a prepolymer, the prepolymer and the vapors are separated continuously, the vapors are rectified and the entrained diamines are recycled, and the prepolymer is fed to a polycondensation zone and subjected to polycondensation under superatmospheric pressure of from 1 to 10 bar and at from 250.degree. to 300.degree. C., wherein the aqueous salt solution is heated under superatmospheric pressure of from 1 to 10 bar during a residence time of less than 60 seconds, with the proviso that, on leaving the evaporator zone, the degree of conversion is not less than 93% and the water content of the prepolymer is not more than 7% by weight.
    • 尼龙通过连续方法制备,其中在蒸发器区中将6至18个碳原子的二羧酸盐和6至18个碳原子的二胺的水溶液加热至250-300℃。 在超大气压下,随着水的蒸发和预聚物的形成,预聚物和蒸气被连续分离,蒸气被精馏,夹带的二胺被再循环,并将预聚物进料到缩聚区,并在超大气压下进行缩聚 压力为1至10巴,在250至300℃,其中在低于60秒的停留时间内,盐水溶液在1至10巴的超大气压下加热,条件是在 离开蒸发区,转化度不低于93%,预聚物的含水量不超过7重量%。