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Wednesday, August 5, 2020 | History

1 edition of Characterization of linear polyethylene SRM"s 1482, 1483, and 1484 found in the catalog.

Characterization of linear polyethylene SRM"s 1482, 1483, and 1484

Characterization of linear polyethylene SRM"s 1482, 1483, and 1484

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  • 34 Currently reading

Published by U.S. Dept. of Commerce, National Bureau of Standards : for sale by the Supt. of Docs., U.S. Govt. Print. Off. in Washington .
Written in English

    Places:
  • United States.
    • Subjects:
    • Polyethylene -- Standards -- United States.

    • Edition Notes

      Statementedited by Peter H. Verdier, Herman L. Wagner, Center for Materials Science, National Measurement Laboratory, National Bureau of Standards.
      SeriesStandard reference materials, NBS special publication ; 260-61, Standard reference materials., NBS special publication ;, 260-61.
      ContributionsVerdier, Peter H., Wagner, Herman L., Center for Materials Science (National Measurement Laboratory)
      Classifications
      LC ClassificationsQC100 .U57 no. 260-61, TP1180.P65 .U57 no. 260-61
      The Physical Object
      Paginationix p., p. 169-201 ;
      Number of Pages201
      ID Numbers
      Open LibraryOL4372929M
      LC Control Number78600148

      A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Linear low-density polyethylene (LLDPE) is a substantially linear polymer (polyethylene), with significant numbers of short branches, commonly made by copolymerization of ethylene with longer-chain low-density polyethylene differs structurally from conventional low-density polyethylene (LDPE) because of the absence of long chain branching.

      Preparation and Characterization of High-Density Polyethylene Blends and Recycled Poly(ethylene terephthalate) Mohd Nazry Salleh1,2 a, Ruey Shan Chen1,b, Mohd Hafizuddin Ab Ghani1,c, Farizul Hafiz Kasim2,d and Sahrim Ahmad1,e 1School of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi, Selangor, Malaysia. Branched Linear Low-Density Polyethylene (LLDPE) with High-Densit y Polyeth ylene and LLDPE Prepared by D i s- solving Method. Materials Science, 17,

      Thermal degradation of HA MDa in powder form. We observed an exponential decrease in M w over time for the HA samples analyzed in the present work. At physiological human body temperature, both hyaluronan samples studied exhibited only moderate degradation in solution (Fig. 3, and Fig. S3 in Supplementary files).Cited by: A. PrasadA quantitative analysis of low density polyethylene and linear low density polyethylene blends by differential scanning calorimetery and Fourier transform infrared spectroscopy methods Polymer Engineering and Science, 38 (10) (), pp. Cited by:


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Characterization of linear polyethylene SRM"s 1482, 1483, and 1484 Download PDF EPUB FB2

The Characterization of Linear Polyethylene SRM's, and I. Introduction Peter H. Verdier and Herman L. Wagner Institute for Materials Research, National Bureau of Standards, Washington, D.C.

(Octo ) The National Bureau of Standa rd s ha,s issued a series of three linear polyethylene Standard Re ference Materials, S RM The National Bureau of Standards has issued a series of three linear polyethylene Standard Reference Materials, SRM, and These polyethylenes have molecular weights of the order of 10, 30, and 1483, g/mol, respectively, and ratios Mw/Mn of weight- to number-average molecular weight of the order of Standard Reference Materials, and are linear polyethylenes with relatively narrow distributions in molecular weight, which are issued by th e National Bureau or Standards.

Get this from a library. The Characterization of linear polyethylene SRM's, and [Peter H Verdier; Herman L Wagner; Center for. The Characterization of Linear Polyethylene SRM I.

Introduction. Hoeve,* Herman L Wagner, and Peter H. Verdier Institute for Materials Research, National Bureau of Standards, Washington, D.C. (Decem ) The National Bureau of Standards has issued a linear polyethylene standard reference material, S RM File Size: 3MB.

Abstract The density of SRM at 23 C was determined by ASTM method D on samples prepared by Procedure A of ASTM. The Characterization of Linear Polyethylene SRM X.

Gel Permeation Chromatography Gayton Ross and Lois Froten Institute for Materials Research, National Bureau of Standards, Washington, D.C.

(Decem ) The determination of the integral molecular weight distribution (MWD) of the linear polyethyleneFile Size: 8MB. LINEAR POLYETHYLENE AND POLYPROPYLENE by ROBERT L.

MAGOVERN Consultant contributions by Faith M. Gianella and Gary E. Doles November 0 = 6 - A private report by the PROCESS ECONOMICS PROGRAM STANFORD RESEARCH INSTITUTE I MENLO PARK, CALIFORNIA - -. Report No. 19B LINEAR POLYETHYLENE AND POLYPROPYLENE Supplement B by ROBERT L.

MAGOVERN and TAKAO KONDO l - February A private report by the. Report No. A LINEAR POLYETHYLENE AND POLYPROPYLENE Supplement A by ROBERT L. MAGOVERN Consultant October A private report by the. 1,2,4-trichlorobenzene at ºC. The characterization of this polymer is described in reference[4].

SRM a is a reblending and rebottling of SRM REFERENCES [1] Wagner H.L.; Verdier, P.H.; The Characterization of Linear Polyethylene SRM’s. Homogeneity and Characterization: The homogeneity of SRM a was tested by SEC analysis of solutions in 1,2,4-trichlorobenzene at ºC.

The characterization of this polymer is described in reference[4]. SRM was recertified as SRM a. Linear paraffins (C 40 and C 60), linear polyethylene reference materials (,and from NIST) and 17 linear polyethylene samples prepared in our laboratory by preparative TREF (polydispersities Cited by: Full text of "Standard Reference Materials: Standard reference material aluminum freezing-point standard" See other formats INST.

OF STAND & TECH M11DM bSfllEE ^o FCo NIST PUBLICATIONS NIST SPECIAL PUBLICATION U.S. DEPARTMENT OF COMMERCE/Technology Administration National Institute of Standards and Technology Standard Reference Materials:. B.S Tanem and Aage Stori, Thermal analysis of single-site polymers in binary blends of low-molecular-weight linear polyethylene and high-molecular-weight branched polyethylene, Thermochimica Acta,1, (73), ().

Publ.81 pages (Aug. ) CODEN: NSPUE2 U.S. GOVERNMENT PRINTING OFFICE WASHINGTON: For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, DC Preface Standard Reference Materials (SRMs) as defined by the National Institute of Standards and Technology (NIST) are well-characterized.

Polyethylene, linear NIST® SRM® a; CAS Number: ; Synonym: Polyethylene; Linear Formula: H(CH2CH2)nH; find Sigma-Aldrich-NISTA MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich. Three narrow molecular weight linear polyethylene samples with M n =, and g/mol and corresponding M w / M n of, and (SRM, andrespectively) were obtained from NIST and used as received.

The samples are coded as PE 11K, PE 29K and PE K, : H. Mohammadi, M. Vincent, H. Marand. The Characterization of Linear Polyethylene (SRM, ) (December ).

Verdier, P. H., and Wagner, H. A Reference Method for the Determination of Sodium in Serum (August ). Velapoldi, R. A., Paule, R. C. In Chapter 9 the methods that can be used for the molecular characterization of block copolymers are discussed.

Short descriptions of the fundamental principles of characterization techniques like. Full text of "Standard Reference Materials: Methods and procedures used at the National Bureau of Standards to prepare, analyze and certify SRMsimulated rainwater, and recommendations for use" See other formats.

This text provides the basic history, molecular structure and intrinsic properties, practical applications and future developments of polyethylene production and marketing - including recycling systems and metallocene technology. It describes commercial processing techniques used to convert raw polyethylene to finished products, emphasizing special 5/5(3).Standard Reference Materials: THE CHARACTERIZATION OF LINEAR POLYETHYLENE SRM's, AND National Bureau of Standards Peter H.

Verdier.