CAJ | 학술논문

针对线型低密度聚乙烯（LLDPE）树脂DFDA7042制备的薄膜雾度较大，且该树脂不能制备厚度8μm以下地膜的不足，开发了LLDPE树脂QLLF30，对其进行了加工应用研究，并与同类产品进行了对比。研究表明：用QLLF30制备的薄膜具有较好的光学性能，同时可制备厚度6μm左右的地膜，性能满足相关标准使用要求。与同类产品相比，QLLF30加工性能良好，具有较低的剪切黏度、螺杆扭矩、加工电流和较高的临界剪切速率，在加工过程中可以降低能耗。
침대선형저밀도취을희（LLDPE）수지DFDA7042제비적박막무도교대，차해수지불능제비후도8μm이하지막적불족，개발료LLDPE수지QLLF30，대기진행료가공응용연구，병여동류산품진행료대비。연구표명：용QLLF30제비적박막구유교호적광학성능，동시가제비후도6μm좌우적지막，성능만족상관표준사용요구。여동류산품상비，QLLF30가공성능량호，구유교저적전절점도、라간뉴구、가공전류화교고적림계전절속솔，재가공과정중가이강저능모。
Linear?low?density?polyethylene(LLDPE)resin?QLLF30?was?developed?with?the?aim?of?solving?the?defect?that?the?film?made?of?LLDPE?DFDA7042?had?larger?haze?and?the?resin?could?not?be?used?to?produce?mulching?film?with?thickness?less?than?8?μm.?Processing?and?application?of?QLLF30?were?researched?and?compared?with?those?of?its?counterparts.?The?results?show?that?the?film?made?of?QLLF30?has?better?optical?properties?and?the?resin?can?be?used?to?produce?mulching?film?with?thickness?of?about?6?μm.?The?properties?of?the?film?made?of?QLLF30?meet?the?requirements?of?related?standards.?Compared?with?similar?products,?QLLF30?has?excellent?processability?such?as?lower?shear?viscosity,?lower?screw?torque,?lower?working?current?and?higher?critical?shear?rate,?and?consequently?the?energy?consumption?can?be?decreased?during?processing?of?QLLF30.