• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A process for synthesizing sequence copolyesteramides with the general formula OH [CO-A-COO-B-O]n H where A is a linear aliphatic polyamide sequence and B is a linear aliphatic copolyesteramide sequence, for use in producing moulded or extruded articles with good mechanical resistance at elevated temperature; the process consists of polycondensation of a linear aliphatic copolyesteramide with hydroxyl end-groups, with a molecular weight of between 1,000 and 10,000, and a polyamide with carboxyl end-groups, with a molecular weight of between 2,000 and 15,000.
    公开号:SU828975A3
    申请号:SU762378246
    申请日:1976-07-13
    公开日:1981-05-07
    发明作者:Фуа Поль；Керн Рене
    申请人:Ато Шими С.А. (Фирма)；
    IPC主号:
    专利说明:

    conditions products having better heat resistance. Thus, using dihydrocarbopic copolyether amides, it is easy to obtain a Vpka flowability between 150 and 200 ° C, whereas with the use of dihydrocarbic compound polimers, it is possible to obtain products that have a persistence on Vicatum higher than 140 C.
    The dpgpdrocarboxylic copolpframide used is a chain of polyester containing amide units in lower proportions in the chain and hydroxply groups at the end of the zerp. This copolymethyl amide can be obtained directly from monopomers.
    Copolymer, obtained by the reaction of copolpefpramid with dicarboic polyamide, is a product with mecha- pee properties sufficient to produce molds or extrusions.
    Lactams, such as caprolactam, enaptolactam, decalactam can be used as monomers for the synthesis of the resulting soy. Polyether amide; amino acids - 6 amipocairoic, 11 - amipoundecano; aliphatic linear a, d) -damps - hexamethylenediamine, butomethylenediamine, dodecamethylenediamine; a, co-dicarbopic aliphatic lipic acids, two-spicic acids — amber, adipic, and imelinic, etc .; aliphatic a, w-diols - ethylene glycol, propylene glycol, 1,4-butaidiol, 1,6-hecanediol, 1,10-decap., gender.
    To obtain this copolyamide with final hydroxyl groups: heat myomers in an ipert gas to melt at a temperature close to 200 ° C. Next, the catalyst is introduced and kept under fire for 2 or 3 /. Then, a temperature of several tens of degrees is applied, using a deep vacuum of 0.5–7 lg.Hg. Art. to remove excess diode.
    In the case of eopoly-eframide derived from myomers, the preferred weight content is that the henolpamide components in the polymer are close to 50% or a little less.
    The reaction temperature of polycondensation between copolyefnampd and dicarboxylic polmund is 200-300 ° C.
    The continuation of the reaction substantially depends on the reaction volume: the more reactive the volume, the longer the reaction will be under the same conditions.
    The polycondensation reaction is carried out in high vacuum, usually in the order of 0.1-5 mm Hg. Art.
    Example 1. Preparation of e-ester-amide with hydroxyl end groups.
    In a 1 liter reactor equipped with a mixing system, a thermometer, a vacuum in and a gas inlet, 274 g are placed.
    11-amyouidecanoic acid, 216 g of adipic acid and 180 g of ethylene glycol.
    The mixture is heated to melt in a nitrogen atmosphere. 0.6 ml of tetrapzopropyl titanate is introduced, then the mixture is aggravated to 195 ° C for 3 hours with stirring, nrn at atmospheric pressure in a nitrogen atmosphere, the temperature is raised to 220 ° C in vacuum at 1 mm Hg. Art. for 2.5 hours to promote polycondensation reactions and remove excess ethnylglycol. An elnmer is obtained with hydroxyl end groups and a mol. weighing 5400.
    Polupeipe elinevolnopramida. In a 0.5-liter reactor, enacted by the system of inactivity, injecting gas and creating a vacuum, 86.2 g of polyether ethers are used with the final hydropheyl1, nary group, manufactured according to previous instructions and 113.8 g of polyamide with l ; ol. weighing 7270, and obtained by reacting at 240 ° C for 3 h under nitrogen atmosphere of the P-aminoundecane naulota e with an adige bilelote, taken in the amount of i.8G weight. % of adioic acid.
    Laughter and aggravations at the ephemeral level in: for 2 hours under a vacuum of 1 mm Hg. Art.
    Copolyetheramide has the following characteristics: intrinsic viscosity 0.98, t. Nl. 175 ° C
    Mechanical testing of polymers was carried out on pa samples with a thickness of 2 mm and a neck length of 50 mm.
    The elongation is 12% at 130 kg / cm at the flow point and 415% at 295 kg / cm at break.
    The magnitude of the torsion modulus G according to the KLASH and BERG method is 1110 kgcm at 22 ° C.
    EXAMPLE 2: It is given for comparison with Example 1.
    In a flask of 0-5 liters, 150 g of 11-polycarbonate polyamide are added. Mol. weighing 5000, 52 g
    hydroxyethyl glycol with a hydroxyl terminal end of the grin and mol. weighing in
     700
    The mixture is heated to nlavlepi in a nitrogen nitrogen atom, 0.2 ml of tetraisopropyl orthotropate is introduced, and the mixture is brought up to 250 ° C by stirring at 250 ° C in a vacuum of 1 mm Hg. Art.
    Operative conditions support 4 hours.
    Product features have the following characteristics:
    intrinsic viscosity 1.0, so pl.
    160 ° С, persistence of fluidity but Vicat 130 ° С.
    Compared with the results, and in the Yrimer 1, the ionization of the temperature of the melting and durability of those is observed: take into account Vicat.
    P) n mep 3. Preparation of a sonolpiferminda with hydroxyl end grungamn.
    权利要求:
    Claims (4)
    [1]
    According to the method described in İnmer 1, nolcondensate 289.8 g of adiate hexamethlene naminamine, 100 g of ethylene glycol and: 213.2 g of adipic acid in the presence of 0.8-IL orthotitanate iso-iropyl. Receive molkodensat with mol. weight. 5500 with hydroxyl end groups. 100 g of polyester amide, thus obtained, and 100 g of 12-dicarboxylic polyamide, mol. iBecoM 5500 is heated at 260 ° C for 90 minutes. in a vacuum of 1 mm Hg. Art. The resulting polyester amide has the following characteristics: intrinsic viscosity 1.05, t. Pl. 175 ° C. On samples obtained under the same conditions as in Example 1, mechanical tests showed the following results: Vicat yield strength of 146 ° C; elongation in the yield point is 11% at 129 elongation at break 473% at 310 kg / cm; the value of the torsion modulus G is 945 kg1 cm at 23 ° C. Example 4. Analogously to example 1, polyester amide was prepared with gpdroxyl end groups with a reaction of 219 g of 11-amioundecanoic acid, 254 g of adipic acid and 216 g of ethylene glycol in the presence of 0.6 ml tetra-orotitaniciso-iropyl at 185 ° C in a nitrogen atmosphere for 3 hours. To remove excess ethylene glycol, bring the mixture to 220 ° C in a vacuum of 1 mm Hg. Art. Get complex polyether amide with hydroxyl end groups and mol. weighing 3290. Polyamide with hydroxyl colloidal groups are made by combining 800 g of adimeate hexamethylamine with 26.2 g of adiiiic acid at 285 ° C for 3 hours in a nitrogen atmosphere. Get polyamide 6-6 with carboxyl end groups and middle mol. weighing 4000. In a reactor with a capacity of 0.5 l, 109.6 g of dicarboxylic polyamide and 90.3 g of the previously prepared nol ester amide are mixed. The mixture is heated under stirring for 2 hours under a vacuum of 1 mm Hg. Art. The resulting polyetheramide has the following characteristics: intrinsic viscosity 0.93; Vika yield strength at 186 ° С; The yield in the yield strength is 11% at 162 kg / cm; The elongation of the fracture is 275% at 200 kg1 cm; The value of the modulus of torsion is G 1555 kg-cm at 22 ° C. Claim 1. How to obtain linear aliphatic copolyester imides by reacting linear aliphatic polyamide with end carboxyl groups with a polymer containing polyether units having hydroxyl end groups, in the presence of 1 weight. % catalyst etherification under vacuum 1-2 mm RT. Art., characterized in that, in order to improve the mechanical properties of the copolyester amides and the reproducibility of these properties, to reduce the reaction time, a polyamide with a molecular weight of 2000-15000 is used as the iolamide, and a linear aliphatic copolyester with a polyester is used as the iolimer. with a weight of 1000-10000.
    [2]
    2. A compound of claim 1, characterized in that a polyamide with a molecular weight of 4000-12000, copolyefpramide with a molecular weight of 3000-9000 is used and the reaction is carried out in the presence of 5 x 10 10 weight. 70 esterification catalyst.
    [3]
    3. Method according to paragraphs. 1 and 2, that is, that tetraalkyl orthotitanate is used as a catalyst for etherification.
    [4]
    4. Method according to ttp. 1-3, that is, with the use of tetraisopropyl orthotitapate as a catalyst for the esterification. accepted in the source of information, during examination: 08 G 1. Pateit USSR L 591153, cl. C 69/44, 1975 (prototype).
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    同族专利:
    公开号 | 公开日
    BE844232A|1976-11-16|
    BR7604639A|1977-08-02|
    JPS5720965B2|1982-05-04|
    DE2632120A1|1977-02-03|
    DD125908A5|1977-06-01|
    FR2318185B1|1977-12-09|
    JPS5212297A|1977-01-29|
    US4115475A|1978-09-19|
    CS208710B2|1981-09-15|
    NL174154C|1984-05-01|
    CH615204A5|1980-01-15|
    PL102350B1|1979-03-31|
    NL7607811A|1977-01-19|
    FR2318185A1|1977-02-11|
    CA1070445A|1980-01-22|
    IT1064670B|1985-02-25|
    GB1558882A|1980-01-09|
    JPS5798526A|1982-06-18|
    NL174154B|1983-12-01|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    FR7522365A|FR2318185B1|1975-07-17|1975-07-17|
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