公开(公告)号：KR1020020000264A

公开(公告)日：2002-01-05

申请号：KR1020000034421

申请日：2000-06-22

Applicant: 한국신발피혁연구원

Inventor： 유종선 ,  윤정식 ,  최경만 ,  이권익 ,  임성욱 ,  엄기용

IPC: C08J9/06

Abstract: PURPOSE: A method for preparing foam is provided to improve the mechanical strength comprising the split tear strength and the compression set of foam by using a metal-based cross-linking aid. CONSTITUTION: The method comprises the steps of adding a cross-linking agent and a foaming agent to a base which comprises an ethylene/α-olefin copolymer, an ethylene/propylene-α-olefin copolymer or their mixtures, a mixture of an ethylene/α-olefin copolymer, a styrene-based copolymer thermoplastic resin or ethylene vinyl acetate resin and rubber, or a mixture of an ethylene/propylene-α-olefin copolymer, a styrene-based copolymer thermoplastic resin or ethylene vinyl acetate resin and rubber; adding 0.1-5 parts by weight of a metal-based cross-linking aid based on 100 parts by weight of the base to the mixture; and cross-linking and foaming the mixture. Preferably the metal-based cross-linking aid is selected from the group consisting of zinc diacrylate, zinc dimethacrylate, zinc methacrylate, modified zinc methacrylate, modified zinc acrylate, modified zinc diacrylate and their mixtures.

Abstract translation: 目的：提供一种制备泡沫的方法，通过使用基于金属的交联助剂来改善包括裂纹撕裂强度和泡沫压缩组合的机械强度。 方案：该方法包括将交联剂和发泡剂加入到包含乙烯/α-烯烃共聚物，乙烯/丙烯-α-烯烃共聚物或它们的混合物的基体中的步骤，乙烯/ 苯乙烯类共聚物热塑性树脂或乙烯 - 乙酸乙烯酯树脂和橡胶，或乙烯/丙烯-α-烯烃共聚物，苯乙烯类共聚物热塑性树脂或乙烯 - 乙酸乙烯酯树脂和橡胶的混合物; 将0.1-5重量份的基于100重量份碱的金属基交联助剂加入到混合物中; 并将混合物交联并发泡。 优选地，金属基交联助剂选自二丙烯酸锌，二甲基丙烯酸锌，甲基丙烯酸锌，改性的甲基丙烯酸锌，改性的丙烯酸锌，改性的二丙烯酸锌及其混合物。

公开(公告)号：KR100354425B1

公开(公告)日：2002-09-30

申请号：KR1020000034422

申请日：2000-06-22

Applicant: 한국신발피혁연구원

Inventor： 유종선 ,  윤정식 ,  최경만 ,  이권익 ,  임성욱 ,  엄기용 ,  최명진

IPC: B29D35/00

Abstract: 본 발명은 신발용 충격흡수성 발포체 조성물에 관한 것으로 블록 공중합체로서 경질 블록이 폴리스티렌이고 연질 블록이 불포화 또는 포화 폴리이소프렌으로 연질 블록의 유리전이점(Tg)가 -20∼20℃ 부근에 있는 열가소성 고무를 충격흡수성을 부여하기 위한 기능성 소재로 하여 이를 단독으로 사용하거나 또는 여기에 에틸렌-비닐아세테이트 공중합체, 에틸렌-알파올레핀 공중합체, 에틸렌-에틸아크릴레이트 공중합체, 폴리에틸렌 수지, 스티렌-부타디엔-스티렌 블록 공중합체, 스티렌-이소프렌-스티렌 공중합체 등을 10∼90중량% 블렌드하는 것을 특징으로 하는 신발용 충격흡수성 발포체 조성물에 관한 것으로 이들 수지를 적의 가교, 발포시켜 신발용 충격흡수성 발포체를 제조하기 위한 조성물을 제공하기 위한 것이다.

公开(公告)号：KR100347969B1

公开(公告)日：2002-08-07

申请号：KR1020000034421

申请日：2000-06-22

Applicant: 한국신발피혁연구원

Inventor： 유종선 ,  윤정식 ,  최경만 ,  이권익 ,  임성욱 ,  엄기용

IPC: C08J9/06

Abstract: 본 발명은 발포체의 기계적 강도를 현저히 개선시키는 발포체의 물성개선법에 관한 것으로, 더욱 상세하게는 발포체를 제조하는데 있어 기본 원료인 수지 또는 이들의 블렌드물, 충전제, 가교제, 발포제 및 기본첨가제로 되는 조성물에 금속계 가교조제를 사용하여 발포체의 기계적 강도를 현저히 개선시키는 것에 대한 것이다.

公开(公告)号：KR100378108B1

公开(公告)日：2003-03-29

申请号：KR1020000007683

申请日：2000-02-15

Applicant: 한국신발피혁연구원

Inventor： 유종선 ,  윤정식 ,  최경만 ,  최명진 ,  이권익

IPC: C08L9/00

Abstract: PURPOSE: Provided is a composition of high quality thermoplastic rubber which has good abrasion resistant, tearing strength and tensile strength properties. Conventional thermoplastic rubber is used in cheap products because it has poor mechanical strength and abrasion strength compared with thermoset rubber whose main use is a shoe sole material. CONSTITUTION: The composition comprises polystyrene thermoplastic rubber alone or thermoplastic resins such as thermoplastic olefin resin, ethylene/α-olefin copolymer, ethylene/vinylacetate copolymer in a ratio of 5-25wt.% to the polystyrene or blend with thermoset resins like natural rubber, synthetic rubber in the amount of not interfering thermoplastic character which is 3-15wt.%, together with usual additives such as an anti-oxidant, an anti-abrasion agent, a UV stabilizer and an improver for processing like silicone oil or silicone rubber of 0.5-7wt.%. The composition is characterized in that 5-25wt.% cheap shoe sole scraps of thermoplastic rubber is utilized and the melt flow index (MFI) is 0.01-10.

Abstract translation: 用途：提供具有良好耐磨性，撕裂强度和拉伸强度性能的高品质热塑性橡胶组合物。 传统的热塑性橡胶用于廉价产品，因为与主要用作鞋底材料的热固性橡胶相比，它具有差的机械强度和耐磨强度。 构成：该组合物包含单独的聚苯乙烯热塑性橡胶或热塑性树脂如热塑性烯烃树脂，乙烯/α-烯烃共聚物，乙烯/乙酸乙烯酯共聚物，其比例为聚苯乙烯的5-25wt％或与热固性树脂 天然橡胶，不干扰热塑性特性的合成橡胶（其重量百分比为3-15％），以及常用的添加剂如抗氧化剂，抗磨损剂，紫外线稳定剂和加工改进剂如硅油或 0.5-7wt。％的硅橡胶。 该组合物的特征在于使用5-25重量％的热塑性橡胶的廉价鞋底废料，并且熔体流动指数（MFI）为0.01-10。

公开(公告)号：KR1020020000265A

公开(公告)日：2002-01-05

申请号：KR1020000034422

申请日：2000-06-22

Applicant: 한국신발피혁연구원

Inventor： 유종선 ,  윤정식 ,  최경만 ,  이권익 ,  임성욱 ,  엄기용 ,  최명진

IPC: B29D35/00

CPC classification number: B29D35/122 ,  A43B17/14 ,  B29C44/02 ,  B29K2009/06 ,  B29K2101/00 ,  C08L9/06 ,  C08L101/00

Abstract: PURPOSE: Provided is a method for manufacturing impact absorbing foamed body which has an impact absorption property while maintaining mechanical properties of the foamed body commonly used for shoes, such as hardness, specific gravity, and etc. CONSTITUTION: The method for manufacturing the foamed body includes foaming a thermoplastic rubber having a block copolymer formed with a soft block of unsaturated or saturated polyisoprene and a hard block of polystyrene, in which the soft block has a glass transition temperature(Tg) of -20 to 20 deg.C. The thermoplastic rubber is blended with ethylene-vinylacetate copolymer, ethylene-alphaolefin copolymer, ethylene-ethylacrylate copolymer, polyethylene resin, styrene-butadiene-styrene block copolymer, and styrene-isoprene-styrene copolymer. The ratio of the blended copolymer to the thermoplastic rubber is 10 to 90 weight parts based on the 100 weight parts of the thermoplastic rubber.

Abstract translation: 目的：提供一种冲击吸收发泡体的制造方法，其具有冲击吸收性，同时保持通常用于鞋的发泡体如硬度，比重等的机械性能。构成：制造泡沫体的方法 包括使具有由不饱和或饱和聚异戊二烯的软嵌段和聚苯乙烯硬块形成的嵌段共聚物的热塑性橡胶发泡，其中软嵌段的玻璃化转变温度（Tg）为-20至20℃。 热塑性橡胶与乙烯 - 乙酸乙烯酯共聚物，乙烯 - α-烯烃共聚物，乙烯 - 丙烯酸乙酯共聚物，聚乙烯树脂，苯乙烯 - 丁二烯 - 苯乙烯嵌段共聚物和苯乙烯 - 异戊二烯 - 苯乙烯共聚物共混。 基于100重量份的热塑性橡胶，共混共聚物与热塑性橡胶的比例为10〜90重量份。

公开(公告)号：KR1020010081540A

公开(公告)日：2001-08-29

申请号：KR1020000007683

申请日：2000-02-15

Applicant: 한국신발피혁연구원

Inventor： 유종선 ,  윤정식 ,  최경만 ,  최명진 ,  이권익

IPC: C08L9/00

CPC classification number: C08L9/06 ,  C08L23/08 ,  C08L83/00 ,  C08L2207/20

Abstract: PURPOSE: Provided is a composition of high quality thermoplastic rubber which has good abrasion resistant, tearing strength and tensile strength properties. Conventional thermoplastic rubber is used in cheap products because it has poor mechanical strength and abrasion strength compared with thermoset rubber whose main use is a shoe sole material. CONSTITUTION: The composition comprises polystyrene thermoplastic rubber alone or thermoplastic resins such as thermoplastic olefin resin, ethylene/α-olefin copolymer, ethylene/vinylacetate copolymer in a ratio of 5-25wt.% to the polystyrene or blend with thermoset resins like natural rubber, synthetic rubber in the amount of not interfering thermoplastic character which is 3-15wt.%, together with usual additives such as an anti-oxidant, an anti-abrasion agent, a UV stabilizer and an improver for processing like silicone oil or silicone rubber of 0.5-7wt.%. The composition is characterized in that 5-25wt.% cheap shoe sole scraps of thermoplastic rubber is utilized and the melt flow index (MFI) is 0.01-10.

Abstract translation: 目的：提供高品质的热塑性橡胶的组合物，具有良好的耐磨性，抗撕裂强度和抗拉强度。 传统的热塑性橡胶用于廉价产品，因为与主要用作鞋底材料的热固性橡胶相比，它具有差的机械强度和磨损强度。 组成：该组合物包含单独的聚苯乙烯热塑性橡胶或热塑性树脂，例如热塑性烯烃树脂，乙烯/α-烯烃共聚物，乙烯/乙酸乙烯酯共聚物与聚苯乙烯或与热固性树脂如天然橡胶的共混物的5-25重量％ 合成橡胶的不干燥热塑性特征量为3-15重量％，以及通常的添加剂如抗氧化剂，抗磨损剂，UV稳定剂和用于加工的改进剂，如硅油或硅橡胶 0.5-7wt％。 该组合物的特征在于，使用5-25重量％的便宜的鞋底废料的热塑性橡胶，并且熔体流动指数（MFI）为0.01-10。