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    • 4. 发明公开
    • 태양전지 봉지재 시트용 에틸렌 비닐아세테이트 공중합체 및 그 제조 방법
    • 用于太阳能电池的乙烯乙酸乙烯酯共聚物及制备共聚物的方法
    • KR1020160066867A
    • 2016-06-13
    • KR1020140172201
    • 2014-12-03
    • 한화토탈 주식회사
    • 한재혁조재환박지용
    • C08F218/08C08F210/02C08F2/02C08F2/44C08F4/32H01L33/56
    • Y02E10/50C08F218/08C08F2/02C08F2/44C08F4/32C08F210/02H01L33/56
    • 본발명은태양전지봉지재시트용에틸렌비닐아세테이트공중합체(이하, EVA) 수지및 그제조방법에 관한것으로, 보다상세하게는태양광 sheet의가공시 Neck in이크지않으면서태양광모듈의라미네이션과정에서시트의열 수축을감소할수 있는태양전지봉지재용에틸렌비닐아세테이트공중합체및 그제조방법에대한것이다. 이를위해본 발병에따른에틸렌비닐아세테이트공중합체는수지내 비닐아세테이트함량이 25~33중량%이며 Mz가 220,000g/mol 이하이고, 분자량분포가 3.5~4.5이며, 190℃, 2.16kg의하중으로측정한용융지수가 6~35g/10분이고, 100℃에서 Rheometer로측정되는 Tan δ값이하기 을만족하는것을특징으로한다. 1.85*Ln(MI)/(0.72*In(frequency)+3.12)
    • 本发明涉及用于太阳能电池的封装材料片的乙烯 - 乙酸乙烯酯共聚物(以下称为EVA)及其制备方法,更具体地,涉及一种用于太阳能电池的封装材料片的EVA, EVA在太阳能片材加工过程中没有大的颈缩,并且能够降低太阳能电池组件的层压工艺中的片材的热收缩率及其制备方法。 为此,根据本发明,EVA的特征在于,树脂中的乙酸乙烯酯含量为25〜33重量%,Mz为220,000g / mol以下,分子量分布范围为3.5〜4.5 ,在190℃下用2.16kg负荷测定的熔体指数为6〜35g / 10min,在流变仪中在100℃下测定的Tanδ值满足公式1,1.85×Ln(MI)/(0.72 * In )+ 3.12)
    • 5. 发明授权
    • 폴리에틸렌계 수지 조성물
    • 聚乙烯树脂组合物
    • KR101467682B1
    • 2014-12-01
    • KR1020130054021
    • 2013-05-13
    • 한화토탈 주식회사
    • 한재혁이구형최창현
    • C08L23/08C08L31/04C08F4/6192C08J5/18
    • 본발명은폴리에틸렌계수지조성물에관한것으로, 보다구체적으로폴리에틸렌계수지조성물의전체중량에대해 (A) 에틸렌및 탄소수 3 내지 20의알파올레핀의공중합체 60중량% 내지 90중량% 및 (B) 에틸렌-비닐아세테이트공중합체 10중량% 내지 40중량%를포함하는폴리에틸렌계수지조성물에관한것이다. 상기 (A) 에틸렌및 탄소수 3 내지 20의알파올레핀의공중합체의밀도가 0.900 내지 0.925g/cm이고, 멜트플로우레이트 (MI)가 0.1 내지 5g/min이며, 분자량분포(Mn/Mw)가 3 내지 5이고, (B) 에틸렌-비닐아세테이트공중합체의비닐아세테이트함량이 20 중량% 내지 35중량%이고, 멜트플로우레이트 (MI)가 5 내지 15g/min(190℃, 2.16kg)이며, 분자량분포(Mn/Mw)가 3 내지 5이며, 상기폴리에틸렌계수지조성물의멜트플로우레이트 (MI)가 0.7 내지 2.0g/min이고, 분자량분포(Mn/Mw)가 3 내지 5이며, DSC(Differential Scanning calorimeter)로측정된녹는점(melting Temperature)에서이중융점을갖는다. 본발명에의한폴리에틸렌계수지조성물은투명성과기계적강도가향상된농업용필름을제공할수 있다.
    • 8. 发明公开
    • 핫택특성이 우수한 선형 저밀도 폴리에틸렌 수지
    • 线性低密度聚乙烯树脂,具有卓越的热收缩
    • KR1020120081318A
    • 2012-07-19
    • KR1020110002596
    • 2011-01-11
    • 한화토탈 주식회사
    • 박지용한재혁전인희
    • C08F210/16C08F4/6592C08J5/18C08L23/08
    • C08F210/16C08F2/34C08F4/61912C08F4/65927C08J5/18C08L23/0815C08L2207/066
    • PURPOSE: A linear low-density polyethylene resin is provided to have low heat sealing initiating temperature, and high hot tact strength, and to provide a polymer film suitable for high speed heat sealing. CONSTITUTION: A linear low-density polyethylene resin is manufactured by copolymerization of ethylene and α-olefin by using crosslinkable bisindenyl based component comprising a metallocene catalyst in a gas-phase reactor. A composition distribution breadth index of the linear low density polyethylene resin is 80% or more, has two melt peaks, and has difference between two melting peak is 5 °C or more. In the copolymerization of ethylene and α-olefin, as a catalyst activator, one or more kinds of alkylaluminum selected from a trimethyl aluminum, triethylaluminum, tripropyl aluminum, triiosbutyl aluminum, tributylaluminum, trihexyl aluminum, and trioctyl aluminum as a catalyst activator.
    • 目的:提供线性低密度聚乙烯树脂以具有低热封起始温度和高热tact强度,并提供适合于高速热封的聚合物膜。 构成:通过在气相反应器中使用包含茂金属催化剂的可交联的双茚基基组分,通过乙烯和α-烯烃的共聚来制造线性低密度聚乙烯树脂。 线性低密度聚乙烯树脂的组成分布宽度指数为80%以上,具有两个熔融峰,两个熔融峰之间的差为5℃以上。 在乙烯和α-烯烃的共聚合中,作为催化剂活化剂,可以使用选自三甲基铝,三乙基铝,三丙基铝,三异丁基铝,三丁基铝,三己基铝和三辛基铝作为催化剂活化剂的一种或多种烷基铝。
    • 9. 发明公开
    • 폴리올레핀 중합용 촉매의 제조방법 및 그에 의하여제조되는 촉매를 이용한 폴리올레핀의 제조방법
    • 生产催化剂的方法和使用其制备的催化剂生产聚烯烃的方法
    • KR1020100011444A
    • 2010-02-03
    • KR1020080072661
    • 2008-07-25
    • 한화토탈 주식회사
    • 강솔한재혁박준려
    • C08F4/654C08F4/02C08F4/642C08F10/00
    • C08F4/6425C08F4/022C08F10/00C08F110/02C08F210/16C08F2500/12
    • PURPOSE: A method for producing a catalyst for polyolefin polymer is provided to express high melt flow ratio, sphere particle size, and high apparent density, and to polymerize polyolefin with good processability. CONSTITUTION: A method for producing a catalyst for polyolefin polymer comprises (i) providing slurry containing a porous carrier having a hydroxyl group and a non-polar solvent; and (ii) contacting an organic magnesium compound of chemical formula: RmMg(OR')n to support the organic magnesium compound in the carrier; (iii) reacting the carrier supported with the organic magnesium compound with transition metal oxide to prepare a catalyst precursor; and (iv) reacting the catalyst precursor with dialkyl aluminum halide. In chemical formula, R and R' are the same or different and represent C2~C12 alkyl group; m and n are 0, 1 or 2, wherein m+n has the same value as the valence of Mg.
    • 目的:提供聚烯烃聚合物催化剂的制造方法,以表现出高的熔体流动比,球粒径和高表观密度,并且聚合具有良好加工性能的聚烯烃。 构成:用于生产聚烯烃聚合物催化剂的方法包括(i)提供含有具有羟基和非极性溶剂的多孔载体的浆料; 和(ii)使化学式为RmMg(OR')n的有机镁化合物与载体中的有机镁化合物相接触; (iii)使负载的有机镁化合物的载体与过渡金属氧化物反应以制备催化剂前体; 和(iv)使催化剂前体与二烷基卤化铝反应。 在化学式中,R和R'相同或不同,表示C2〜C12烷基; m和n为0,1或2,其中m + n与Mg的化合价相同。
    • 10. 发明公开
    • 고강성을 갖는 폴리올레핀 제조방법
    • 生产具有高韧性的聚烯烃的方法
    • KR1020070115001A
    • 2007-12-05
    • KR1020060048743
    • 2006-05-30
    • 한화토탈 주식회사
    • 장호식오상준한재혁
    • C08F10/00C08F210/10C08F4/16C08F4/14
    • C08F4/602C08F2/001C08F4/6065C08F10/00
    • A method for preparing polyolefin is provided to produce polyolefin having high stiffness in a continuous polymerization reactor with high polymerization activity by using a pre-polymerization catalyst obtained from a Ziegler-Natta catalyst. A method for preparing polyolefin includes a step of polymerizing or copolymerizing olefins in a multi-stage continuous polymerization reactor in the presence of a catalyst system consisting of (a) a pre-polymerization catalyst, (b) an organometallic compound of a group 1 or 3 metal on the periodic table, and (c) an external electron donor. The pre-polymerization catalyst is obtained by reacting olefin monomers in the presence of a Ziegler-Natta based solid complex titanium catalyst, at least two aluminum compounds comprising alkylaluminum and halogenated aluminum, and an electron donor to polymerize a high-molecular-weight monomer on the surface of the catalyst.
    • 提供一种制备聚烯烃的方法,通过使用由齐格勒 - 纳塔催化剂获得的预聚合催化剂,在具有高聚合活性的连续聚合反应器中制备具有高刚度的聚烯烃。 制备聚烯烃的方法包括在多级连续聚合反应器中在催化剂体系存在下聚合或共聚烯烃的步骤,催化剂体系由(a)预聚合催化剂,(b)第1族的有机金属化合物或 3金属,(c)外部电子给体。 预聚合催化剂是通过在齐格勒 - 纳塔基固体络合物钛催化剂,至少两种包含烷基铝和卤化铝的铝化合物存在下使烯烃单体和电子给体聚合高分子量单体得到的 催化剂的表面。