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公开(公告)号：KR200379549Y1
公开(公告)日：2005-03-18
申请号：KR2020040037696
申请日：2004-12-31
IPC: B01D63/08
CPC classification number: B01D63/08 , B01D2315/06
Abstract: 본 고안은 지지체를 형상이 단순한 경질의 박막과 유로안내기능을 수행하는 부재로 구성하여 제조비용이 저렴하고, 필요에 따라 상기 유로안내기능을 수행하는 부재를 여러 겹으로 겹쳐서 사용할 수 있기 때문에 평막을 통과하여 지지체로 유입되는 처리수의 저항을 감소시켜 줄 뿐만 아니라 처리수가 집수구로 유동하기 위한 유로의 기능도 함께 제공하여주고, 또한 지지체의 두께를 최소화하여 막충진밀도를 높임으로서 상대적으로 적은 설치공간과 큰 정수처리능력을 갖는 침지형 평막 모듈에 관한 것이다.
본 고안은 지지체(310)와, 상기 지지체(310)를 중심으로 양면에 각각 평막(330)을 적층구성하되, 상기 지지체(310)는, 경질의 박막(311)과, 상기 경질의 박막(311)을 중심으로 양면에 각각 적층되는 것으로 상기 평막(330)을 통해 유입되는 처리수가 상부로 유동되도록 그물망구조를 가지는 유로안내용 부재(312)가 적어도 한 겹 이상 한 겹 이상 적층구성된다.-
公开(公告)号：KR1020050025772A
公开(公告)日：2005-03-14
申请号：KR1020030062605
申请日：2003-09-08
Applicant: 주식회사 효성
IPC: G02B6/00
Abstract: A method for manufacturing a preform for a plastic optical fiber and the preform having improved diameter uniformity and flexibility are provided to reduce optical loss due to dispersion by adding a plasticizer to a part or whole of a cladding. A plasticizer is added to a region of a plastic optical fiber defined by 0
Abstract translation: 提供了一种用于制造塑料光纤预制棒的方法和具有改进的直径均匀性和柔性的预成型件，以通过向包层的一部分或全部添加增塑剂来减少由于分散造成的光学损失。 将增塑剂加入到由0 <（R0-Rp）/（R0-Ri）<= 1定义的塑料光纤的区域中，其中R 0是塑料光纤的半径，R 1是芯的半径， Rp是从塑料光纤的中心到加入增塑剂的位置的距离（R0-Ri）是包层的厚度，（R0-Rp）是添加增塑剂的区域的厚度 。 增塑剂选自邻苯二甲酸二辛酯，邻苯二甲酸二乙基己酯，邻苯二甲酸二异壬酯，己二酸二辛酯，偏苯三酸三辛酯，邻苯二甲酸二丁酯，邻苯二甲酸二异癸酯，马来酸二辛酯，己二酸二异壬酯等组成的组。
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公开(公告)号：KR100452339B1
公开(公告)日：2004-10-08
申请号：KR1020010087883
申请日：2001-12-29
Applicant: 주식회사 효성
IPC: C07C39/24
Abstract: PURPOSE: Provided are a novel fluorine-containing monomer which can be used for polymerizing polyarylene ether having excellent thermal stability, as well as low optical loss and birefringence, and a method for producing the same. CONSTITUTION: The 1,1-bis(4-hydroxyphenyl)-1-pentafluorophenyl-ethane having a structure represented by formula 1, is produced by reacting pentafluoroacetophenone with phenol in methylene chloride by using trifluoromethane sulfonic acid as catalyst. Polyarylene ether formed by using 1,1-bis(4-hydroxyphenyl)-1-pentafluorophenyl-ethane, has high fluorine content and low hydrogen content, and thus shows low optical loss; and has a flexibility of ether bond and a branched phenyl group having hydrogen substituted with fluorine, and thus shows low birefringence.
Abstract translation: 目的：提供一种可用于聚合热稳定性优异，光学损耗和双折射率低的聚亚芳基醚的新型含氟单体及其制造方法。 构成：具有式1所示结构的1,1-双（4-羟基苯基）-1-五氟苯基乙烷是通过使用三氟甲磺酸作为催化剂，使五氟苯乙酮与苯酚在二氯甲烷中反应而制得的。 使用1,1-双（4-羟基苯基）-1-五氟苯基乙烷形成的聚亚芳基醚氟含量高，氢含量低，光损失小， 并且具有醚键和具有被氟取代的氢的支链苯基的柔性，因此显示低双折射。
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公开(公告)号：KR1020040021759A
公开(公告)日：2004-03-11
申请号：KR1020020053089
申请日：2002-09-04
Applicant: 주식회사 효성
IPC: G02B6/00
Abstract: PURPOSE: A method for fabricating a plastic fiber preform using an internal diffusion method is provided to form a graded-index type plastic fiber by using the mixture of two monomers. CONSTITUTION: The first monomer having a low refractive index is mixed with an initiator of 0.01 to 0.4 weight percent and a chain transfer agent of 0.01 to 0.4 volume percent. The mixture is inserted into a glass tube. The polymer is fabricated within the glass tube by rotating the glass tube under the temperature of 50 to 150 degrees centigrade. The second monomer having the higher refractive index than the first monomer is mixed with the first monomer in a mixing ratio of 3 to 7. The mixture of the first and the second monomers is inserted into the glass tube. The polymer is swelled by rotating the glass tube under the normal temperature. The mixture of the first and the second monomers is diffused into the inside of the polymer. A plastic fiber preform is fabricated by polymerizing the mixture and the polymer.
Abstract translation: 目的：提供使用内部扩散方法制造塑料纤维预制件的方法，以通过使用两种单体的混合物形成渐变折射率型塑料纤维。 构成：将具有低折射率的第一单体与0.01至0.4重量％的引发剂和0.01至0.4体积％的链转移剂混合。 将混合物插入玻璃管中。 聚合物通过在50至150摄氏度的温度下旋转玻璃管而在玻璃管内制造。 将具有比第一单体更高的折射率的第二单体以3至7的混合比与第一单体混合。将第一和第二单体的混合物插入玻璃管中。 在常温下旋转玻璃管使聚合物膨胀。 第一和第二单体的混合物扩散到聚合物的内部。 通过聚合混合物和聚合物制造塑料纤维预制件。
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公开(公告)号：KR1020040013252A
公开(公告)日：2004-02-14
申请号：KR1020020046101
申请日：2002-08-05
Applicant: 주식회사 효성
IPC: A01G33/02
Abstract: PURPOSE: A method for producing a biodegradable net for seaweed farming is provided. The produced biodegradable net is effectively used for seaweed farming and ultimately biodegraded in the ocean. CONSTITUTION: Water-soluble edible plastics are coated on a biodegradable fiber net which is obtained by twisting a starch-based monofilament and a polybutylene succinate multifilament. The starch is one or two or more selected from the group consisting of potato starch, sweet potato starch and corn starch. The polybutylene succinate is prepared by adding 0.001 to 0.05 mole of magnesium salts as a binding agent to dicarboxylic acid and glycol, based on 1 mole of dicarboxylic acid, and adding 0.01 to 1.0% by weight of a titanium compound as a catalyst and 0.01 to 1.0% by weight of trimethylphosphate as a heat stabilizer thereto, based on the total weight of the resin respectively and then polymerizing them.
Abstract translation: 目的：提供海藻养殖生物可降解网的方法。 生产的可生物降解网有效地用于海藻养殖，最终在海洋中生物降解。 构成：将水溶性可食用塑料涂覆在通过扭曲淀粉类单丝和聚丁二酸丁二醇酯复丝而得到的生物降解性纤维网上。 淀粉是选自马铃薯淀粉，甘薯淀粉和玉米淀粉中的一种或两种以上。 聚丁二酸丁二醇酯通过以1摩尔二羧酸加入0.001〜0.05摩尔作为粘合剂的二羧酸和乙二醇的镁盐，并添加0.01〜1.0重量％的钛化合物作为催化剂，0.01〜 1.0重量％作为其热稳定剂的磷酸三甲酯，分别基于树脂的总重量，然后使它们聚合。
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Patent Agency Ranking
公开(公告)号：KR1020040011891A
公开(公告)日：2004-02-11
申请号：KR1020020045183
申请日：2002-07-31
Applicant: 주식회사 효성
IPC: G02B6/00
Abstract: PURPOSE: A method for manufacturing a mother material for use in a plastic photonic crystal fiber(P-PCF) is provided to be easily manufactured as well as to obtain various structure of the P-PCF by changing the thickness and the interval of the coating metal rod. CONSTITUTION: A method for manufacturing a mother material for use in a plastic photonic crystal fiber includes the steps of: preparing a mixed solution by adding an initiator and a chain transfer agent to a monomer for use a polymer having an excellent optical transmission characteristics; forming a syrup by using the mixed solution; inserting the syrup the glass tube as a bottom mold; assembling the top mold(10) having a plurality of metal rods(12) to the glass tube; and polymerizing the inserted syrup at a pressure of 4 -12kgf/cm2 and at a temperature of 70-180°C.
Abstract translation: 目的：制造用于塑料光子晶体纤维（P-PCF）的母材的制造方法容易制造，并且通过改变涂层的厚度和间隔来获得P-PCF的各种结构 金属棒。 构成：用于制造塑料光子晶体纤维中使用的母材的方法包括以下步骤：通过向具有优异光传输特性的聚合物的单体添加引发剂和链转移剂来制备混合溶液; 通过使用该混合溶液形成糖浆; 将玻璃管作为底模插入糖浆; 将具有多个金属杆（12）的顶模（10）组装到所述玻璃管上; 并在4-12kgf / cm 2的压力和70-180℃的温度下使插入的糖浆聚合。
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公开(公告)号：KR1020030087812A
公开(公告)日：2003-11-15
申请号：KR1020020025752
申请日：2002-05-10
Applicant: 주식회사 효성
Abstract: PURPOSE: Provided is a process for producing polyamide spherical fine particles used for a cosmetic filler, which can control average particle size and particle size distribution freely. CONSTITUTION: The process comprises the steps of: preparing a first solution containing a polyamide polymer and a second solution containing an emulsion-dispersing agent, wherein the polyamide polymer of the first solution is a nylon produced from a lactam or a non-nylon produced from an acid and a diamine; mixing the first solution and the second solution, and producing an emulsion from the mixture solution by stirring; evaporating a solvent from the emulsion to precipitate the polyamide spherical fine particles.
Abstract translation: 目的：提供一种能够自由地控制平均粒径和粒度分布的化妆品用填料用聚酰胺球状微粒的制造方法。 方法：该方法包括以下步骤：制备含有聚酰胺聚合物的第一溶液和含有乳液分散剂的第二溶液，其中第一溶液的聚酰胺聚合物是由内酰胺或非尼龙制备的尼龙，其由 酸和二胺; 混合第一溶液和第二溶液，并通过搅拌从混合溶液中产生乳液; 从乳液中蒸发溶剂以沉淀聚酰胺球形细颗粒。
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公开(公告)号：KR1020000073366A
公开(公告)日：2000-12-05
申请号：KR1019990016613
申请日：1999-05-10
Applicant: 주식회사 효성
IPC: D01F6/90
Abstract: PURPOSE: Provided is a process for producing a high shrinkage polyamide fiber from copolymerized polyamide to produce a high shrinkage polyamide fiber which has excellent winding workability, drawing workability, productivity and efficiency. CONSTITUTION: The process for producing the high shrinkage polyamide fiber using the copolymerized polyamide is characterized by spinning at 3000-6000m/min. to make a polyamide fiber having 10-30% of shrinkage percentage. The copolymerized polyamide is copolymer of copolymerized nylon6 and nylon66. The copolymer is comprised of 10-40wt.% of the nylon6 and 90-60wt.% of nylon66.
Abstract translation: 目的：提供一种从共聚聚酰胺制造高收缩性聚酰胺纤维，制造高收缩性聚酰胺纤维的方法，其具有优异的卷绕加工性，拉伸加工性，生产率和效率。 构成：使用共聚聚酰胺制造高收缩性聚酰胺纤维的方法的特征在于以3000-6000m / min的速度纺丝。 制成收缩率为10〜30％的聚酰胺纤维。 共聚聚酰胺是共聚尼龙6和尼龙66的共聚物。 共聚物由10-40重量％的尼龙6和90-60重量％的尼龙66组成。
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公开(公告)号：KR1019990038885A
公开(公告)日：1999-06-05
申请号：KR1019970058759
申请日：1997-11-07
Applicant: 주식회사 효성
Abstract: 본 발명은 탄소수 11 내지 12개의 모노머(나일론 11 내지 12) 85 내지 10중량부, ε-카프로락탐 또는 ε-카프론산(나일론6) 10 내지 50중량부 및 헥사메틸렌디아민과 아디프산염(나일론66) 5 내지 40중량부를 3성분 공중합하여 제조되는 저융점 폴리아미드 수지에 관한 것으로, 본 발명에 따른 폴리아미드 수지를 핫멜트에 사용하는 경우 직물간의 접착에 있어서, 접착이 용이하며 직물의 손상이 없을 뿐만 아니라 세탁에 대한 내구성이 우수한 특성을 갖는다.
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公开(公告)号：KR1019970027214A
公开(公告)日：1997-06-24
申请号：KR1019950044139
申请日：1995-11-28
Applicant: 주식회사 효성
Abstract: 본 발명은 우수한 가스배리어성, 평활성, 강성, 투명성을 가진 필름제조용 폴리아미드 수지조성물을 제공하기 위한 것으로서, 본 발명의 폴리아미드 수지 조성물은 폴리아미드 수지에 두께가 6-20Å, 길이가 0.002∼1μm인 평편상의 층상 규산염이 균일하게 분산되어 있는 것을 특징으로 한다.
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