-
公开(公告)号：KR1020030048245A
公开(公告)日：2003-06-19
申请号：KR1020010078129
申请日：2001-12-11
Applicant: 제일모직주식회사
IPC: C08J9/18
Abstract: PURPOSE: A method for preparing a foaming styrene resin particle and a foaming styrene resin particle prepared by the method are provided, to prepare a foaming styrene resin particle with an excellent appearance without generating harmful benzene. CONSTITUTION: The method comprises the steps of adding a suspension stabilizer to water in a polymerization tank to prepare a suspension; adding a styrene dispersion comprising a styrene monomer, t-peroxy 2-ethylhexyl monocarbonate and t-amyl 2-ethylhexyl monocarbonate to the polymerization tank with stirring and polymerizing the mixture at a high temperature; and infiltrating a hydrocarbon of a low boiling point into the material of the tank at a temperature lower than a softening point. Preferably the suspension stabilizer is tricalcium phosphate and/or hydroxyethyl cellulose; and the hydrocarbon is pentane, butane or propane.
Abstract translation: 目的：提供一种制备发泡苯乙烯树脂颗粒和通过该方法制备的发泡苯乙烯树脂颗粒的方法，以制备具有优异外观的发泡苯乙烯树脂颗粒而不产生有害苯。 构成：该方法包括以下步骤：将聚合槽中的悬浮稳定剂加入到水中以制备悬浮液; 在搅拌下将包含苯乙烯单体，过氧化2-乙基己基单碳酸酯和2-乙基己基单碳酸叔戊酯的苯乙烯分散体加入到聚合槽中并在高温下使混合物聚合; 并在低于软化点的温度下将低沸点碳氢化合物渗透到罐的材料中。 优选地，悬浮稳定剂是磷酸三钙和/或羟乙基纤维素; 烃是戊烷，丁烷或丙烷。
-
公开(公告)号：KR1020030048244A
公开(公告)日：2003-06-19
申请号：KR1020010078128
申请日：2001-12-11
Applicant: 제일모직주식회사
IPC: C08J9/18
Abstract: PURPOSE: A method for preparing a human body-friendly foaming styrene resin particle and a foaming styrene resin particle prepared by the method are provided, to prepare a foaming styrene resin particle with an excellent appearance without generating harmful benzene by employing t-peroxy 2-ethylhexyl monocarbonate and 1,1-bis t-butylperoxy 3,3,5-trimethylcyclohexane. CONSTITUTION: The method comprises the steps of adding a suspension stabilizer to water in a polymerization tank to prepare a suspension; adding a styrene dispersion comprising a styrene monomer, t-peroxy 2-ethylhexyl monocarbonate and 1,1-bis t-butylperoxy 3,3,5-trimethylcyclohexane to the polymerization tank with stirring and polymerizing the mixture at a high temperature; and infiltrating a hydrocarbon of a low boiling point into the material of the tank at a temperature lower than a softening point. Preferably the suspension stabilizer is tricalcium phosphate and/or hydroxyethyl cellulose; and the hydrocarbon is pentane, butane or propane.
Abstract translation: 目的：提供一种制备人体友好型发泡苯乙烯树脂颗粒和通过该方法制备的发泡苯乙烯树脂颗粒的方法，通过使用t-过氧化二苯乙烯制备具有优异外观的发泡苯乙烯树脂颗粒，而不产生有害苯， 乙基己基单碳酸酯和1,1-二叔丁基过氧化3,3,5-三甲基环己烷。 构成：该方法包括以下步骤：将聚合槽中的悬浮稳定剂加入到水中以制备悬浮液; 在搅拌下将包含苯乙烯单体，t-过氧-2-乙基己基单碳酸酯和1,1-二叔丁基过氧化3,3,5-三甲基环己烷的苯乙烯分散体加入聚合槽中并在高温下聚合; 并在低于软化点的温度下将低沸点碳氢化合物渗透到罐的材料中。 优选地，悬浮稳定剂是磷酸三钙和/或羟乙基纤维素; 烃是戊烷，丁烷或丙烷。
-
公开(公告)号：KR100397529B1
公开(公告)日：2003-09-13
申请号：KR1020000077788
申请日：2000-12-18
Applicant: 제일모직주식회사
IPC: C08F212/08
Abstract: PURPOSE: Provided is a method for preparing an effervescent styrene resin particle having an improved mould release property. CONSTITUTION: The method comprises adding polydimethylsiloxane-polyoxyethylene copolymer when suspension polymerizing a styrene monomer. The polydimethylsiloxane-polyoxyethylene copolymer is added as a solution with sulfonic acid ammonium sulfate and styrene monomer. The solution of polydimethylsiloxane-polyoxyethylene copolymer, sulfonic acid ammonium sulfate and styrene monomer is added when degree of polymerization is 50-80%. The styrene monomer is a styrene monomer, or a mixture of acrylonitrile or alpha-methylstyrene based on styrene monomer therewith.
Abstract translation: 目的：提供一种具有改进脱模性能的泡腾苯乙烯树脂颗粒的制备方法。 构成：该方法包括当悬浮聚合苯乙烯单体时加入聚二甲基硅氧烷 - 聚氧乙烯共聚物。 聚二甲基硅氧烷 - 聚氧乙烯共聚物作为与磺酸铵硫酸盐和苯乙烯单体的溶液加入。 当聚合度为50-80％时，加入聚二甲基硅氧烷 - 聚氧乙烯共聚物，磺酸铵硫酸盐和苯乙烯单体的溶液。 苯乙烯单体是苯乙烯单体，或基于苯乙烯单体的丙烯腈或α-甲基苯乙烯的混合物。
-
公开(公告)号：KR1020020048585A
公开(公告)日：2002-06-24
申请号：KR1020000077788
申请日：2000-12-18
Applicant: 제일모직주식회사
IPC: C08F212/08
CPC classification number: C08F212/08
Abstract: PURPOSE: Provided is a method for preparing an effervescent styrene resin particle having an improved mould release property. CONSTITUTION: The method comprises adding polydimethylsiloxane-polyoxyethylene copolymer when suspension polymerizing a styrene monomer. The polydimethylsiloxane-polyoxyethylene copolymer is added as a solution with sulfonic acid ammonium sulfate and styrene monomer. The solution of polydimethylsiloxane-polyoxyethylene copolymer, sulfonic acid ammonium sulfate and styrene monomer is added when degree of polymerization is 50-80%. The styrene monomer is a styrene monomer, or a mixture of acrylonitrile or alpha-methylstyrene based on styrene monomer therewith.
Abstract translation: 目的：提供具有改善脱模性能的泡腾苯乙烯树脂颗粒的制备方法。 构成：该方法包括在悬浮聚合苯乙烯单体时加入聚二甲基硅氧烷 - 聚氧乙烯共聚物。 以磺酸硫酸铵和苯乙烯单体作为溶液加入聚二甲基硅氧烷 - 聚氧乙烯共聚物。 当聚合度为50-80％时，加入聚二甲基硅氧烷 - 聚氧乙烯共聚物，磺酸硫酸铵和苯乙烯单体的溶液。 苯乙烯单体是苯乙烯单体，或基于苯乙烯单体的丙烯腈或α-甲基苯乙烯的混合物。
-
公开(公告)号：KR1020020048583A
公开(公告)日：2002-06-24
申请号：KR1020000077786
申请日：2000-12-18
Applicant: 제일모직주식회사
IPC: C08F212/10
CPC classification number: C08F212/10 , C08F2/18
Abstract: PURPOSE: Provided is a method for preparing a styrene-based copolymer having an improved releasability and beautiful appearance. CONSTITUTION: The method comprises introducing 60-90 parts by weight of styrene, 10-40 parts by weight of acrylonitrile, polymerization initiator consisting of 0.01-0.1 part by weight of azo radical initiator and 0.2 part by weight or less of initiator in the form of peroxide, 0.3-0.6 part by weight of suspension stabilizer, and 0.01 part by weight or less of co-stabilizer at one time and suspension polymerizing them to form a final copolymer having an average particle diameter of 0.3 mm or more. The azo radical initiator is azobisisobutyronitrile, and initiator in the form of peroxide is quaternary butylperbenzoate.
Abstract translation: 目的：提供具有改善的脱模性和美丽外观的苯乙烯类共聚物的制备方法。 构成：该方法包括引入60-90重量份苯乙烯，10-40重量份丙烯腈，由0.01-0.1重量份偶氮自由基引发剂组成的聚合引发剂和0.2重量份或更少的引发剂 的过氧化物，0.3-0.6重量份的悬浮稳定剂和0.01重量份或更少的共稳定剂，并将其悬浮聚合，形成平均粒径为0.3毫微米或更高的最终共聚物。 偶氮自由基引发剂是偶氮二异丁腈，过氧化物形式的引发剂是季戊四醇酯。
-
Patent Agency Ranking
公开(公告)号：KR100478436B1
公开(公告)日：2005-03-23
申请号：KR1020010043745
申请日：2001-07-20
Applicant: 제일모직주식회사
IPC: C08F12/08
Abstract: 본 발명의 발포성 스티렌 수지의 제조방법은 스티렌 단량체 90-97 중량부, 중합첨가제 및 그라프팅제 0.001-0.5 중량부를 일괄 투입하여 80-90℃에서 2-5시간 동안 현탁중합을 행하고; 상기 현탁중합한 중합체에 발포제 3-10 중량부를 0.5-3시간 동안 일정하게 투입하여 100-130℃에서 1-2시간 동안 유지시켜, 중량평균분자량 30만 이상 및 분자량분포지수 3 이상인 발포 스티렌 수지를 제조하는 단계로 이루어진다. 본 발명의 방법에 의해 제조된 발포성 스티렌 수지는 중량 평균 분자량이 약 30만 이상이며, 분자량분포지수는 3.0 이상의 값을 갖는다.
-
公开(公告)号：KR1020030056478A
公开(公告)日：2003-07-04
申请号：KR1020010086695
申请日：2001-12-28
Applicant: 제일모직주식회사
IPC: C08F279/04
CPC classification number: C08F279/04
Abstract: PURPOSE: A thermoplastic resin composition having improved chemical resistance, gloss and impact resistance is provided. A process for preparing the resin composition is also provided. CONSTITUTION: The process for preparing the thermoplastic resin composition comprises the steps of: (1) carrying out a graft copolymerization of an rubbery polymer latex having a gel content of 75 to 95 wt% and an average particle diameter of 0.10 to 0.20 micrometers and an aromatic vinyl-unsaturated nitrile based graft monomer mixture to obtain a first graft copolymer; (2) carrying out a graft copolymerization of the first graft copolymer with a rubbery polymer latex having a gel content of 65 to 85 wt% and an average particle diameter of 0.25 to 0.35 micrometers and an aromatic vinyl-unsaturated nitrile based graft monomer mixture to obtain a second graft copolymer; and (3) carrying out a graft copolymerization of the second graft copolymer with a rubbery polymer latex having a gel content of 50 to 70 wt% and an average particle diameter of 0.45 to 0.65 micrometers and an aromatic vinyl-unsaturated nitrile based graft monomer mixture to obtain a third graft copolymer, wherein the aromatic vinyl-unsaturated nitrile based graft monomer mixture comprises 55 to 70 wt% of styrene and 45 to 30 wt% of acrylonitrile.
Abstract translation: 目的：提供具有改善的耐化学性，光泽和耐冲击性的热塑性树脂组合物。 还提供了制备树脂组合物的方法。 构成：制备热塑性树脂组合物的方法包括以下步骤：（1）进行凝胶含量为75〜95重量％，平均粒径为0.10〜0.20微米的橡胶状聚合物胶乳的接枝共聚， 芳族乙烯基不饱和腈基接枝单体混合物，得到第一接枝共聚物; （2）将第一接枝共聚物与凝胶含量为65〜85重量％，平均粒径为0.25〜0.35微米的橡胶状聚合物胶乳和芳香族乙烯基不饱和腈系接枝单体混合物进行接枝共聚， 获得第二接枝共聚物; 和（3）将第二接枝共聚物与凝胶含量为50〜70重量％，平均粒径为0.45〜0.65微米的橡胶状聚合物胶乳和芳族乙烯基不饱和腈基接枝共聚物接枝共聚物 得到第三接枝共聚物，其中芳香族乙烯基不饱和腈基接枝单体混合物含有55〜70重量％的苯乙烯和45〜30重量％的丙烯腈。
-
公开(公告)号：KR100372803B1
公开(公告)日：2003-02-25
申请号：KR1020000077851
申请日：2000-12-18
Applicant: 제일모직주식회사
IPC: C08J9/18 , C08F4/36 , C08F212/12
Abstract: PURPOSE: Provided is a method for producing polystyrene resin beads which show a high expansion efficiency with a low foaming agent content and thereby, can avoid environment-related regulations. CONSTITUTION: In the method, a subsidiary foaming agent of high molecular compound with a large steric hindrance is used in addition a main foaming agent selected from butane, pentane or mixtures thereof which are used in conventional method for producing formable polystyrene resins. The subsidiary foaming agent may be alpha-methylpolystyrene-acrylonitrile copolymers or alkylmethacrylate polymers and is used in an amount of 5 to 10 wt% based on the weight of the added styrene monomer. The main foaming agent is used in an amount of 4 to 5 wt%.
Abstract translation: 目的：提供一种生产聚苯乙烯树脂珠粒的方法，该聚苯乙烯树脂珠粒具有高发泡效率和低发泡剂含量，从而可以避免与环境有关的规定。 构成：在该方法中，使用具有大位阻的高分子化合物的辅助发泡剂以及用于生产可成型聚苯乙烯树脂的常规方法中的主要发泡剂，所述主发泡剂选自丁烷，戊烷或其混合物。 辅助发泡剂可以是α-甲基聚苯乙烯 - 丙烯腈共聚物或甲基丙烯酸烷基酯聚合物，并且基于所加入的苯乙烯单体的重量，其用量为5至10重量％。 主发泡剂的用量为4至5重量％。
-
公开(公告)号：KR1020030008808A
公开(公告)日：2003-01-29
申请号：KR1020010043745
申请日：2001-07-20
Applicant: 제일모직주식회사
IPC: C08F12/08
Abstract: PURPOSE: A method for preparing expandable polystyrene having excellent expandibility and mechanical strength is provided. The expandable polystyrene does not exhibit any shrinking phenomena after expansion by adding grafting agent during polymerization of EPS. CONSTITUTION: The method for preparing expandable polystyrene includes the steps of (a) mixing 90 to 97 parts by weight of styrene monomer, 0.001 to 0.5 parts by weight of polymerization additive and grafting agent to conduct suspension polymerization at 80 to 90 deg.C for 2 to 5 hours, wherein the polymerization additive contains 0.1 to 0.5 parts by weight of initiator, 0.3 to 0.6 parts by weight of suspension stabilizer and less than 0.01 parts by weight of auxiliary stabilizer, based on 100 parts by weight of styrene monomer; and (b) feeding 3 to 10 parts by weight of expanding agent to the polymer of suspension polymerization steadily for 0.5 to 3 hours followed by keeping at 100 to 130 deg.C for 1 to 2 hours. The grafting agent is selected from divinylbenzene, ethylene glycol dimethacylate and trimethylpropane triacrylate.
Abstract translation: 目的：提供一种制备具有优异的可扩展性和机械强度的可发性聚苯乙烯的方法。 发泡聚苯乙烯在EPS聚合过程中加入接枝剂后膨胀后不会发生任何收缩现象。 构成：制备可发性聚苯乙烯的方法包括以下步骤：（a）将90至97重量份的苯乙烯单体，0.001至0.5重量份的聚合添加剂和接枝剂混合以在80至90℃下进行悬浮聚合， 2至5小时，其中基于100重量份的苯乙烯单体，聚合添加剂包含0.1至0.5重量份的引发剂，0.3至0.6重量份的悬浮稳定剂和少于0.01重量份的辅助稳定剂; 和（b）将3〜10重量份的发泡剂稳定地加入悬浮聚合物的聚合物中0.5〜3小时，然后在100〜130℃下保持1〜2小时。 接枝剂选自二乙烯基苯，乙二醇二甲基丙烯酸酯和三甲基丙烷三丙烯酸酯。
-
公开(公告)号：KR100411090B1
公开(公告)日：2003-12-18
申请号：KR1020010078128
申请日：2001-12-11
Applicant: 제일모직주식회사
IPC: C08J9/18
Abstract: PURPOSE: A method for preparing a human body-friendly foaming styrene resin particle and a foaming styrene resin particle prepared by the method are provided, to prepare a foaming styrene resin particle with an excellent appearance without generating harmful benzene by employing t-peroxy 2-ethylhexyl monocarbonate and 1,1-bis t-butylperoxy 3,3,5-trimethylcyclohexane. CONSTITUTION: The method comprises the steps of adding a suspension stabilizer to water in a polymerization tank to prepare a suspension; adding a styrene dispersion comprising a styrene monomer, t-peroxy 2-ethylhexyl monocarbonate and 1,1-bis t-butylperoxy 3,3,5-trimethylcyclohexane to the polymerization tank with stirring and polymerizing the mixture at a high temperature; and infiltrating a hydrocarbon of a low boiling point into the material of the tank at a temperature lower than a softening point. Preferably the suspension stabilizer is tricalcium phosphate and/or hydroxyethyl cellulose; and the hydrocarbon is pentane, butane or propane.
Abstract translation: 目的：提供一种制备人体友好的发泡苯乙烯树脂颗粒和通过该方法制备的发泡苯乙烯树脂颗粒的方法，以通过使用叔 - 过氧化2-苯基乙醇来制备具有优异外观而不产生有害苯的发泡苯乙烯树脂颗粒， 单碳酸单乙基己基酯和1,1-双叔丁基过氧化3,3,5-三甲基环己烷。 组成：该方法包括以下步骤：将悬浮稳定剂添加到聚合罐中的水中以制备悬浮液; 将包含苯乙烯单体，叔丁基过氧化2-乙基己基单碳酸酯和1,1-双叔丁基过氧化3,3,5-三甲基环己烷的苯乙烯分散体加入到聚合槽中，同时搅拌并在高温下使混合物聚合; 并在低于软化点的温度下将低沸点烃渗入罐的材料中。 优选悬浮稳定剂是磷酸三钙和/或羟乙基纤维素; 烃是戊烷，丁烷或丙烷。
-
-
-
-
-
-
-
-
-
Search Results
13
records
(took 0.021 seconds)
