JPH0381305A - Low-molecular-weight ethylene-methyl (meth)acrylate bipolymer and preparation thereof - Google Patents
Low-molecular-weight ethylene-methyl (meth)acrylate bipolymer and preparation thereofInfo
- Publication number
- JPH0381305A JPH0381305A JP21774689A JP21774689A JPH0381305A JP H0381305 A JPH0381305 A JP H0381305A JP 21774689 A JP21774689 A JP 21774689A JP 21774689 A JP21774689 A JP 21774689A JP H0381305 A JPH0381305 A JP H0381305A
- Authority
- JP
- Japan
- Prior art keywords
- meth
- methyl
- molecular weight
- acrylate
- ethylene
- 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.)
- Pending
Links
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 title claims abstract description 32
- 239000012298 atmosphere Substances 0.000 claims abstract description 7
- 238000006731 degradation reaction Methods 0.000 claims abstract description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 6
- 230000015556 catabolic process Effects 0.000 claims abstract description 4
- 229920001577 copolymer Polymers 0.000 claims description 35
- 238000004519 manufacturing process Methods 0.000 claims description 9
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- 239000005977 Ethylene Substances 0.000 claims description 3
- 230000000593 degrading effect Effects 0.000 claims description 3
- 239000000049 pigment Substances 0.000 abstract description 6
- 239000011159 matrix material Substances 0.000 abstract description 3
- 229920006351 engineering plastic Polymers 0.000 abstract 1
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000003607 modifier Substances 0.000 description 4
- 229920001897 terpolymer Polymers 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 229920006149 polyester-amide block copolymer Polymers 0.000 description 3
- 239000011342 resin composition Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical group CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 229920006225 ethylene-methyl acrylate Polymers 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- WROUWQQRXUBECT-UHFFFAOYSA-N 2-ethylacrylic acid Chemical compound CCC(=C)C(O)=O WROUWQQRXUBECT-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- -1 etc. Substances 0.000 description 1
- 229920006226 ethylene-acrylic acid Polymers 0.000 description 1
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000011953 free-radical catalyst Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- PXXNTAGJWPJAGM-UHFFFAOYSA-N vertaline Natural products C1C2C=3C=C(OC)C(OC)=CC=3OC(C=C3)=CC=C3CCC(=O)OC1CC1N2CCCC1 PXXNTAGJWPJAGM-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
本発明は、比較的高分子量のエチレン−（メタ）アクリ
ル酸メチル二元共重合体を熱減成して得られる低分子量
エチレン−（メタ）アクリル酸メチル二元共重合体およ
びその製造方法に関する。更に詳しくは実質的にその分
子鎖中に（メタ）アクリル酸部位を含有しない低分子量
エチレン−（メタ）アクリル酸メチル二元共重合体およ
びその製造方法に関し、顔料等の分散性、充填性、また
ポリエステルやポリアミド等のエンジニアリング樹脂の
マトリックス相への分散性に優れ、これらの樹脂の流れ
特性を向上させるものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a low molecular weight ethylene-(meth)acrylate binary copolymer obtained by thermally degrading a relatively high-molecular-weight ethylene-methyl(meth)acrylate binary copolymer. ) A methyl acrylate binary copolymer and a method for producing the same. More specifically, it relates to a low molecular weight ethylene-methyl (meth)acrylate binary copolymer that substantially does not contain (meth)acrylic acid moieties in its molecular chain and a method for producing the same, including dispersibility of pigments, filling properties, It also has excellent dispersibility in the matrix phase of engineering resins such as polyester and polyamide, and improves the flow characteristics of these resins.
［従来の技術］
従来、比較的高分子量のエチレン−（メタ）アクリル酸
メチル二元共重合体の加水分解や熱減成反応によって低
分子量化されたエチレン−（メタ）アクリル酸エチル−
（メタ）アクリル酸三元共重合体については数多く知ら
れている。[Prior Art] Conventionally, ethylene-ethyl (meth)acrylate has been reduced in molecular weight by hydrolysis or thermal degradation reaction of a relatively high-molecular-weight ethylene-methyl (meth)acrylate binary copolymer.
Many (meth)acrylic acid terpolymers are known.
例えば、特開昭５３−６５３９９号公報または同５３−
５７２９５号公報には、比較的高分子量のエチレン−ア
クリル酸エチル共重合体を不活性雰囲気中で水または水
蒸気の存在下で熱減成反応を行って任意に低分子量化さ
れたエチレン−アクリル酸エチル−アクリル酸三元共重
合体の製法が開示されている。これらの製法では必然的
にカルボン酸部位が生成する。For example, JP-A No. 53-65399 or JP-A No. 53-65399
No. 57295 discloses ethylene-acrylic acid whose molecular weight is arbitrarily reduced by subjecting a relatively high-molecular-weight ethylene-ethyl acrylate copolymer to a thermal degradation reaction in the presence of water or steam in an inert atmosphere. A method for making an ethyl-acrylic acid terpolymer is disclosed. These production methods inevitably produce carboxylic acid sites.
これら低分子量のエチレン−（メタ）アクリル酸エチル
−（メタ）アクリル酸三元共重合体はポリエステルやポ
リアミド等のエンジニアリング樹脂組成物への分散性は
良好であるが、ポリエステルやボリアえＰ等のエンジニ
アリング樹脂組成物中に耐衝撃性を改良するために添加
するエチレン−グリシジルメタクリレート共重合体また
はその変性物と併用された場合においては、上記エチレ
ン−（メタ）アクリル酸エチル−（メタ）アクリル酸三
元共重合体のアクリル酸部位とエチレン−グリシジルメ
タクリレート共重合体中のエポキシ基とが反応し架橋構
造を形成するため、樹脂組成物の溶融粘度が高まり流れ
性を向上することができない。These low-molecular-weight ethylene-ethyl (meth)acrylate-(meth)acrylic acid terpolymers have good dispersibility in engineering resin compositions such as polyester and polyamide; When used in combination with an ethylene-glycidyl methacrylate copolymer or a modified product thereof added to improve impact resistance in an engineering resin composition, the above-mentioned ethylene-ethyl (meth)acrylate-(meth)acrylic acid Since the acrylic acid moiety of the terpolymer and the epoxy group in the ethylene-glycidyl methacrylate copolymer react to form a crosslinked structure, the melt viscosity of the resin composition increases, making it impossible to improve flowability.
［発明が解決しようとする課題］
本発明者らは、上記従来技術の有する問題点に鑑み鋭意
検討した結果、低分子量エチレン−（メタ）アクリル酸
メチル二元共重合体を使用することにより、かかる問題
点を解決できることを見いだした。[Problems to be Solved by the Invention] As a result of intensive studies in view of the problems of the above-mentioned prior art, the present inventors have solved the problem by using a low molecular weight ethylene-methyl (meth)acrylate binary copolymer. It has been discovered that such problems can be solved.
すなわち、本発明の目的とするところは、低分子量エチ
レン−（メタ）アクリル酸メチル二元共重合体およびそ
の製造方法を提供することにある。That is, an object of the present invention is to provide a low molecular weight ethylene-methyl (meth)acrylate binary copolymer and a method for producing the same.
【課題を解決するための手段］
本発明の第１発明は、比較的高分子量のエチレン−（メ
タ）アクリル酸メチル二元共重合体を熱減成して得られ
る、エチレン６０〜９９重量％、（メタ）アクリル酸メ
チル１〜４０重量％から成る共重合体であって、かつ該
共重合体の粘度平均分子量が、ｉ、ｏｏｏ〜２０．００
０．分子量分布（Ｍｙ／Ｍｎ）が１．０〜１０．０の範
囲にある低分子量エチレン−（メタ）アクリル酸メチチ
ル二元共重合体である。[Means for Solving the Problems] The first invention of the present invention provides 60 to 99% by weight ethylene obtained by thermally degrading a relatively high molecular weight ethylene-methyl (meth)acrylate binary copolymer. , a copolymer consisting of 1 to 40% by weight of methyl (meth)acrylate, and the viscosity average molecular weight of the copolymer is i,ooo to 20.00.
0. It is a low molecular weight ethylene-methyl(meth)acrylate binary copolymer having a molecular weight distribution (My/Mn) in the range of 1.0 to 10.0.
第２発明は比較的高分子量のエチレン−（メタ）アクリ
ル酸メチル二元共重合体を不活性雰囲気中で温度２００
〜５００℃、圧力１〜５０ｋｇ／ｃｍ”で熱減成して得
られる粘度平均分子量が、１，０００〜２０，０００、
分子量分布ＣＭ、／Ｍｎ）が１．０〜１０．０の範囲に
ある低分子量エチレン−（メタ）アクリル酸メチル二元
共重合体の製造方法である。The second invention is to prepare a relatively high molecular weight ethylene-methyl (meth)acrylate binary copolymer at a temperature of 200 ml in an inert atmosphere.
The viscosity average molecular weight obtained by thermal degradation at ~500°C and a pressure of 1 to 50 kg/cm is 1,000 to 20,000,
This is a method for producing a low molecular weight ethylene-methyl (meth)acrylate binary copolymer having a molecular weight distribution (CM, /Mn) in the range of 1.0 to 10.0.
本発明に使用される比較的高分子量のエチレン−（メタ
）アクリル酸メチル二元共重合体とは、例えばフリーラ
ジカル触媒を使用する公知の高圧ラジカル共重合法によ
って容易に得られる範囲の比較的高分子量のエチレン−
（メタ）アクリル酸メチル二元共重合体であって、メル
トインデックスはおよそ３００ ｇ／ １０ｍＩｎ、以
下、好ましくは１００ｇ／１０■Ｉｎ、以下のものであ
る。The relatively high molecular weight ethylene-methyl (meth)acrylate binary copolymer used in the present invention refers to a relatively high molecular weight ethylene-methyl (meth)acrylate binary copolymer that can be easily obtained by, for example, a known high-pressure radical copolymerization method using a free radical catalyst. High molecular weight ethylene
A methyl (meth)acrylate binary copolymer having a melt index of approximately 300 g/10 mIn, preferably 100 g/10 mIn or less.
また共重合体の分子鎖中の（メタ）アクリル酸メチルの
含有量は１〜４０重量％、好ましくは５〜３０重量のも
のである。The content of methyl (meth)acrylate in the molecular chain of the copolymer is 1 to 40% by weight, preferably 5 to 30% by weight.
なお、上記低分子量二元共重合体の粘度平均分子量は、
１３５℃のデカリン溶媒中の極限粘度〔η〕から次式で
求めた値である。The viscosity average molecular weight of the above low molecular weight binary copolymer is:
This value is calculated from the intrinsic viscosity [η] in a decalin solvent at 135°C using the following formula.
〔η）＝ＫＭ （Ｋ＝１４．３Ｘ１０−’（ｄｉ／ｇ
）、α＝０．８２）
本発明の低分子量エチレン−（メタ）アクリル酸メチル
二元共重合体は、顔料等の分散性、充填性、またポリエ
ステルやポリアミド等エンジニアリング樹脂のマトリッ
クス相への分散性に優れ、これらの樹脂の顔料分散剤・
流れ性向上剤として使用される。[η)=KM (K=14.3X10-'(di/g
), α=0.82) The low molecular weight ethylene-methyl (meth)acrylate binary copolymer of the present invention has excellent dispersibility and filling properties for pigments, etc., and dispersion in the matrix phase of engineering resins such as polyester and polyamide. It has excellent properties and can be used as a pigment dispersant for these resins.
Used as a flow improver.
第２発明の低分子量エチレン−（メタ）アクリル酸メチ
ル二元共重合体の製造方法とは、比較的高分子量のエチ
レン−（メタ）アクリル酸メチル二元共重合体を不活性
雰囲気中で、温度２００〜５００℃、圧力１〜５０ｋｇ
／ａｍ”で熱減成して得られる粘度平均分子量がｔ、ｏ
ｏｏ〜２０．０００．分子量分布（Ｍｙ／Ｍ−）が１．
０〜１０．０の範囲にある低分子量エチレン−（メタ）
アクリル酸メチル二元共重合体の製造方法である。The method for producing a low molecular weight ethylene-methyl (meth)acrylate binary copolymer of the second invention is to prepare a relatively high molecular weight ethylene-methyl (meth)acrylate binary copolymer in an inert atmosphere. Temperature 200-500℃, pressure 1-50kg
The viscosity average molecular weight obtained by thermal degradation at /am'' is t, o
oo~20.000. Molecular weight distribution (My/M-) is 1.
Low molecular weight ethylene-(meth) ranging from 0 to 10.0
This is a method for producing a methyl acrylate binary copolymer.
本発明でいう不活性雰囲気を創出する方法としては特に
限定されないが、例えば窒素、炭酸ガス、アルゴン、ヘ
リウムなどの不活性ガスを反応系に通して空気を排除す
る方法が適当であり、なかでも窒素が好ましい。The method of creating an inert atmosphere in the present invention is not particularly limited, but suitable is, for example, a method of passing an inert gas such as nitrogen, carbon dioxide, argon, helium, etc. through the reaction system to eliminate air. Nitrogen is preferred.
本発明を実施する際の温度と圧力は使用原料の性状、す
なわちエチレン−（メタ）アクリル酸メチル共重合体の
平均分子量、低分子量化の度合いなどの要因に支配され
るが、本発明が目的とするような粘度平均分子量がｉ、
ｏｏｏ〜
２０．０００のような低分子量のエチレン−（メタ）ア
クリル酸メチル二元共重合体を取得するための分解反応
条件は温度２００〜５００℃、好ましくは３００〜４５
０℃である。The temperature and pressure when carrying out the present invention are controlled by factors such as the properties of the raw materials used, that is, the average molecular weight of the ethylene-methyl (meth)acrylate copolymer, and the degree of molecular weight reduction. The viscosity average molecular weight is i,
The decomposition reaction conditions for obtaining a low molecular weight ethylene-methyl (meth)acrylate binary copolymer such as ooo ~ 20,000 are at a temperature of 200 to 500°C, preferably 300 to 45°C.
It is 0°C.
圧力は１〜５０ｋｇ／ｃｍ”である。The pressure is 1-50 kg/cm''.
上記反応温度が２００℃未満においては低分子量化が起
こりに＜＜、該温度が５００℃を超えると共重合体中の
（メタ）アクリル酸メチルが揮散し、分解が激しくなり
好ましくない。If the reaction temperature is less than 200°C, lowering of the molecular weight will occur, and if the temperature exceeds 500°C, methyl (meth)acrylate in the copolymer will volatilize, resulting in severe decomposition, which is not preferable.
本発明の方法で得られた低分子量のエチレン−（メタ）
アクリル酸メチル二元共重合体はホットメルト系接着剤
として、または成形性改良のための滑剤、顔料等に対し
ての分散助剤、各種ポリマー、アスファルト、ワックス
の改質剤、エンジニアリング樹脂の改質剤、流れ性向上
剤等として車両、船舶、建築、電線、ケーブル、食品、
包装、レジャー等の種々の分野に活用される。Low molecular weight ethylene-(meth) obtained by the method of the present invention
Methyl acrylate binary copolymer can be used as a hot melt adhesive, as a lubricant to improve moldability, as a dispersion aid for pigments, as a modifier for various polymers, asphalt, and wax, and as a modifier for engineering resins. Vehicles, ships, buildings, electric wires, cables, foods, etc. as quality agents and flowability improvers.
It is used in various fields such as packaging and leisure.
〔実施例］ 以下、実施例により本発明をさらに具体的に説明する。〔Example] Hereinafter, the present invention will be explained in more detail with reference to Examples.
実ｍ二ｊ−
原料として、高圧ラジカル重合法により製造した各種の
エチレン−アクリル酸メチル共重合体およびエチレン−
メタクリル酸メチル共重合体４ｋｇを窒素ガスシールし
である金属製オートクレーブに仕込み、第１表に示す条
件で熱減成した。Various ethylene-methyl acrylate copolymers and ethylene-methyl acrylate copolymers produced by high-pressure radical polymerization are used as raw materials.
4 kg of methyl methacrylate copolymer was charged into a metal autoclave sealed with nitrogen gas, and thermally degraded under the conditions shown in Table 1.
結果を第１表に示した。The results are shown in Table 1.
（以下余白）
［発明の効果コ
本発明により、ホットメルト系接着剤として、または成
形性改良のための滑剤・顔料などに対する分散助剤、各
種ポリマー、アスファルト、ワックスの改質剤、エンジ
ニアリング樹脂の改質剤、流れ性向上剤等として利用で
きる低分子量エチレン−（メタ）アクリル酸メチル二元
共重合体、およびその製造方法を提供することができる
。(Left below) [Effects of the Invention] The present invention can be used as a hot melt adhesive or as a dispersion aid for lubricants and pigments to improve moldability, as a modifier for various polymers, asphalt, and wax, and as an engineering resin. It is possible to provide a low molecular weight ethylene-methyl (meth)acrylate binary copolymer that can be used as a modifier, a flowability improver, etc., and a method for producing the same.
Claims (2)
メチル二元共重合体を熱減成して得られる、エチレン６
０〜９９重量％、（メタ）アクリル酸メチル１〜４０重
量％から成る共重合体であって、かつ該共重合体の粘度
平均分子量が、１，０００〜２０，０００、分子量分布
（Ｍ＿ｗ／Ｍ＿ｎ）が１．０〜１０．０の範囲にある低
分子量エチレン−（メタ）アクリル酸メチチル二元共重
合体。(1) Ethylene 6 obtained by thermally degrading a relatively high molecular weight ethylene-methyl (meth)acrylate binary copolymer.
0 to 99% by weight, and 1 to 40% by weight of methyl (meth)acrylate, and the copolymer has a viscosity average molecular weight of 1,000 to 20,000 and a molecular weight distribution (M_w/ A low molecular weight ethylene-methyl(meth)acrylate binary copolymer having M_n) in the range of 1.0 to 10.0.
メチル二元共重合体を不活性雰囲気中で温度２００〜５
００℃、圧力１〜５０ｋｇ／ｃｍ＾２で熱減成して得ら
れる粘度平均分子量が１，０００〜２０，０００、分子
量分布（Ｍ＿ｗ／Ｍ＿ｎ）が１．０〜１０．０の範囲に
ある低分子量エチレン−（メタ）アクリル酸メチル二元
共重合体の製造方法。(2) A relatively high molecular weight ethylene-methyl (meth)acrylate binary copolymer was prepared in an inert atmosphere at a temperature of 200 to 500 ml.
The viscosity average molecular weight obtained by thermal degradation at 00°C and a pressure of 1 to 50 kg/cm^2 is in the range of 1,000 to 20,000, and the molecular weight distribution (M_w/M_n) is in the range of 1.0 to 10.0. A method for producing a low molecular weight ethylene-methyl (meth)acrylate binary copolymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21774689A JPH0381305A (en) | 1989-08-24 | 1989-08-24 | Low-molecular-weight ethylene-methyl (meth)acrylate bipolymer and preparation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21774689A JPH0381305A (en) | 1989-08-24 | 1989-08-24 | Low-molecular-weight ethylene-methyl (meth)acrylate bipolymer and preparation thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0381305A true JPH0381305A (en) | 1991-04-05 |
Family
ID=16709102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21774689A Pending JPH0381305A (en) | 1989-08-24 | 1989-08-24 | Low-molecular-weight ethylene-methyl (meth)acrylate bipolymer and preparation thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0381305A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008501836A (en) * | 2004-06-08 | 2008-01-24 | ランクセス・ドイチュランド・ゲーエムベーハー | Polyamide molding composition with improved flow properties |
-
1989
- 1989-08-24 JP JP21774689A patent/JPH0381305A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008501836A (en) * | 2004-06-08 | 2008-01-24 | ランクセス・ドイチュランド・ゲーエムベーハー | Polyamide molding composition with improved flow properties |
| US7947360B2 (en) | 2004-06-08 | 2011-05-24 | Lanxess Deutschland Gmbh | Polyamide molding compositions with improved flowability |
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