A STUDY OF MONOMER SEQUENCE DISTRIBUTION OF ETHYLENE-PROPYLENE COPOLYMERS WITH 13C-NMR

来源 :科学通报：英文版 | 被引量 : 0次 | 上传用户：zptjya

【摘要】

：

<正> C. J. Carman, Tanaka, G. J. Ray, R. C. Randall and coworkers have made an exhaustive study of copolymers of ethylene and propylene （EP） with 13C-NMR, includi

【作者】

：

罗广荣管昭密郭海军沈其丰

【机构】

：

BeijingResearchInstituteofChemicalIndustry,BeijingResearchInstituteofChemicalIndustry

【出处】

：

科学通报：英文版

【发表日期】

：

1981年7期

【关键词】

：

TETRACHLORIDE MONOMER PROPYLENE routine facilitating ordinary AMBIENT Tanaka CAR

下载到本地 , 更方便阅读

下载此文赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

论文部分内容阅读

<正> C. J. Carman, Tanaka, G. J. Ray, R. C. Randall and coworkers have made an exhaustive study of copolymers of ethylene and propylene （EP） with 13C-NMR, including the assignments of all the resonances and the determination of monomer sequence distr

其他文献

SYNTHESES OF 4′-ALKYLAMINOMETHYLBENZO-15-CROWN-5 AND POLYMER-SUPPORTED CROWN ETHER

<正> In 1967, Pedersen reported his pioneering work on crown ethers. Since then, a large variety of macrocyclic compounds have been prepared and their complexat

期刊

pioneeringCROWNSYNTHESESOF4benzosizesREMAININGsomewhatmethaFILTRATION

ON THE ROLE OF QUANTUM TRANSITION RATE IN AN ENTROPY DECREASING PROCESS

<正> Let us consider a system of mixed particles and photons. We assume that the interactions between the particles are weak and can be neglected. We also assum

期刊

NEGLECTEDassumemutuallyRATEACCOMPANIEDORDERINGRELAXATIONPHOTON气升constra

HEMOGLOBIN BEIJING [α16(A14)Lys→Asn]——A NEW FAST MOVING HEMOGLOBIN VARIANT

<正> A fast moving hemoglobin variant with a mobility similar to that of HbJ, being between HbA and Hb Bart’s, was detected with cellulose acetate eleetrophore

期刊

HEMOGLOBINDONORCELLULOSESUBSTITUTEDACETATEA14)LysAsndistrictFASTFamily

STUDIES ON BIOACTIVE ACRYLIC EASTERS Ⅲ——SYNTHESIS AND POLYMERIZATION OF N-ACRYLOXY-5-NORBORNENE-2, 3

<正> In our previous two works we were mainly concerned with the synthesis and polymerization of two types of new bioactive acrylic esters: 3-acrylato-4-oxo-3,

期刊

copolymerPOLYMERIZATIONestersACRYLICconcernedlatterDICARBOXIMIDESbioactiv

X-RAY TOPOGRAPHIC OBSERVATION OF IMPERFECTION IN AT CUT SYNTHETIC QUARTZ PLATE

<正> Ⅰ. INTRODUCTION Quartz has been widely used in radio industry, optical instruments and the like. It is used in manufacturing crystal filter, crystal oscil

期刊

OSCILLATORinstrumentsRESONATORQUARTZQUARTZDISLOCATIONtopographicANALYZER

A SINGULARITY-AVOIDED OSCILLATING BOUNCING COSMOLOGICAL MODEL

<正> According to the boundary theory of singularity, singularity is the boundary of the non-spacelike inextensible geodesics. So the cosmological singularity m

期刊

SINGULARITYUNIVERSEletterCHAINSbreakBEGINNINGvacuum通训FARfinally

罕见巨大肾积水一例

我院曾遇1例巨大肾积水,积水量达18900ml,报告如下。患者男性,38岁。因腹部进行性增大6年入院。活动受限,无恶心、呕吐及腰痛症状,尿量正常。体检:一般情况元异常发现。腹部

期刊

巨大肾积水肾囊肿中段尿培养腹壁浅静脉腰痛症状总蛋白尿量肾功能便常规超声检查提示

分子与原子的“三相点”

分子和原子是同学们学习物质结构最初接触到的概念,为帮助大学掌握这两个概念,现将两者之间存在的三个相关点(即相似点、相异点、相联点)总结如下. 1.相似点①分子和原子都

期刊

物质结构分子构成相异点原子质量构成物质基本微粒三相点氧分子不可分性碳原子

物理,帮助数学(高一、高二)

有的数学题,与其他学科有紧密联系。我们在解此类题时,要善于观察问题的特点,利用相关学科知识或解决问题的经验方法从中寻求解题途径. 例1 已知函数f(x)=msin(wx+φ)(w>0),

期刊

已知函数通项公式相关学科经验方法质点系反射光线解据点交直线方程弦波

MICROKORUND DISCOVERED IN THE KARST BAUXITE IN SOUTHERN SHANXI PROVINCE

<正> Occurrence of microkorund in the karst in southern Shanxi, not yet reported by anyone in China, has been ascertained by the author after repeated analyses

期刊

BAUXITEAGGREGATEtextureCOLLOIDaccompanyingSHANXIcolourDISSEMINATEDKARST

A STUDY OF MONOMER SEQUENCE DISTRIBUTION OF ETHYLENE-PROPYLENE COPOLYMERS WITH 13C-NMR

其他学术论文