Sisal cellulose acetates obtained from heterogeneous reactions

نویسندگان
چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Bio-based Films from Linter Cellulose and Its Acetates: Formation and Properties

This paper describes the results obtained on the preparation of films composed of linter cellulose and the corresponding acetates. The acetylation was carried out in the LiCl/DMAc solvent system. Films were prepared from a LiCl/DMAc solution of cellulose acetates (degree of substitution, DS 0.8-2.9) mixed with linter cellulose (5, 10 and 15 wt %). Detailed characterization of the films revealed...

متن کامل

All-Cellulose Composite Fibers Obtained by Electrospinning Dispersions of Cellulose Acetate and Cellulose Nanocrystals

All-cellulose composite fibers were produced by electrospinning dispersions containing cellulose acetate (CA) and cellulose nanocrystals (CNCs). Precursor polymer matrices were obtained after dispersion of CA with different degrees of substitution in a binary mixture of organic solvents. The obtained fibers of CA loaded with CNCs had typical widths in the nanoand micro-scale and presented a gla...

متن کامل

Removal of Cr (vi) from Aqueous Solution Using Graft Copolymer of Cellulose Extracted from Sisal Fibre with Acrylic Acid Monomer

The extraction of cellulose from sisal fiber was done initially using the steam explosion method. Extracted cellulose was grafted with acrylic acid in the presence of ceric ammonium nitrate redox initiator. The grafting phenomenon taking place between cellulose and the acrylic acid was proved by Fourier transform infrared spectroscopy (FTIR). The prepared graft copolymer was used as adsorbent f...

متن کامل

From a formal dynamic semantics of Sisal to a Sisal environment

We present a forud defiuitiou of the dymmic semautics of a siguificaut part of the la~lguage Sisal 2.0 in the struc%ural operathud style of Natural Seulantics [6]! m.mely Typo1 inference rules [3]? with the &Itaur system [2]? a generic specification euvirounent. Sisal (Streams ad Iteratiou iu a Siugle Assigumeut La~~guage) ia a 8trmgly typed, applicative, siugle assiguuieut language iu use ou i...

متن کامل

Atmospheric nanoparticles formed from heterogeneous reactions of organics

Atmospheric aerosols directly and indirectly affect the radiative balance of the Earth’s atmosphere1. Nanoparticles are a key component of atmospheric aerosols, growing rapidly under ambient conditions2–4. Organic species are thought to lead to the growth of nanoparticles smaller than 20 nm (refs 5, 6), but the identity of these species and the underlying chemical mechanisms remain elusive. Her...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Express Polymer Letters

سال: 2008

ISSN: 1788-618X

DOI: 10.3144/expresspolymlett.2008.51