Commonwealth Scientific and Industrial Research Organisation

Other

E.i. Dupont De Nemours and Company

Plantic Technologies Limited

Polymers Australia Pty Limited

Polymers Crc Limited

Advanced Polymerik Pty. Limited

Ciba Specialty Chemicals Corporation

Graeme Moad

Ezio Rizzardo

San Hoa Thang

Charles T Berge

Michael Fryd

Richard Alexander Evans

Guoxin Li

Catherine Louise Moad

Alexei Alexeyevich Gridnev

Christopher Scopazzi

Jeffrey W Johnson

John Chiefari

Rudolf Pfaendner

Steven Dale Ittel

Lech Wilczek

Hendrik Wermter

Tam Phuong Le

Kishan Khemani

Robert Shanks

Roshan Tyrrel Anton Mayadunne

Antonietta Genovese

Edmond Lascaris

George Philip Simon

Katherine Maree Dean

Wasantha Gunaratne

Lance Nichols

George Simon

Jana Habsuda

Michael Shane O'Shea

Ming Chen

Matthias Haeussler

Roshan Tyrrel Mayadunne

Julia Krstina

Jonathan Andrew Campbell

William Brown Farnham

Sheau-Hwa Ma

Albert Gordon Anderson

Jeffery W Johnson

Thomas Robert Darling

Albert Mau

Armin Schneider

Ian John Dagley

Gary Peeters

Attila Janos Mozer

Massimo Benaglia

Lance Victor Nichols

Alexi A Gridnev

Roshan Mayadunne

Gerry Swiegers

Gerry Wilson

Enzio Rizzardo

Gary Joseph Van Diepen

Gerardo Triani

Yen Kwong Chong

Gavin Errol Collis

Peter John Evans

Robert Paul Burford

Kishan C Khemani

John Chiefair

Jonathan Campbell

In one aspect, the invention provides a substantially exfoliated nanocomposite material including starch and hydrophobically modified layered silicate clay. In another aspect, the invention provides packaging made from material including the substantially exfoliated nanocomposite material described above. The nanocomposite material has improved mechanical and rheological properties and reduced sensitivity to moisture in that the rates of moisture update and/or loss are reduced. In another aspect, the invention provides a process for preparing the substantially exfoliated nanocomposite material described above, including a step of mixing the starch in the form of an aqueous gel with the hydrophobic clay in a melt mixing device. In a further aspect, the invention provides a process for preparing the substantially exfoliated nanocomposite material, including the steps of mixing the starch with the hydrophobic clay to form a masterbatch (hereinafter 'the masterbatch process') and mixing the masterbatch with further starch.

Starch nanocomposite materials

A method of preparing polymer, the method comprising polymerizing one or more ethylenically unsaturated monomers of formula (I)  

Raft polymerisation

The invention relates to a process for increasing the melt flow index of a propylene polymer, the process comprising melt mixing the propylene polymer in the presence of aqueous hydrogen peroxide.

Modification of propylene polymers

A polymer comprising a conducting or semiconducting segment coupled to a polymer segment having an insulating polymer backbone, the polymer further comprising a RAFT functional group coupled to the polymer segment, wherein there is no RAFT functional group in between the conducting or semiconducting segment and the polymer segment.

Conducting and semiconducting organic materials

The present invention is directed to a process for the cleavage of one or more starting polymers having thiocarbonylthio groups of the formula (I) into derived polymers in which the &#x2014;S&#x2014;(C&#x2550;S)&#x2014; group is transformed. The process includes contacting the starting polymer containing groups Ywith one or more reagents containing groups Xto produce the derived polymer and a byproduct containing the groups Y, wherein the groups Xis one or more reactive groups and the groups Yis an extracting group and a byproduct, which is then separated from the derived polymer by conventional separation processes. The derived polymer is free from odor or color that is sometimes associated with the starting polymer and it can be used in making optical lenses, such as high refractive index spectacle lenses.

Process for transforming the end groups of polymers

The present invention relates to a dye sensitized solar cell comprising a semiconductor formed of a particulate metal oxide, a dye adsorbed onto the semiconductor wherein the semiconductor interface with the dye is formed by atomic layer deposition (ALD) of a semiconductor material onto the particulate metal oxide.

Solar cell and method for preparation thereof

The present invention is directed to a process for the cleavage of one or more starting polymers having thiocarbonylthio groups of the formula &#x2014;S&#x2014;(C&#x2550;S)&#x2014; into derived polymers having thiol end groups of the formula &#x2014;SH. The process includes contacting the aforedescribed starting polymers, with a reagent having the formula XY, wherein Xis a nucleophilic group and Yis an extracting group that results in the starting polymer and a byproduct, which is then separated from the derived polymer by conventional separation processes. The derived polymer is free from any odor or color that is sometimes associated with the starting polymer and it can be used in making optical lenses, such as contact lenses.

Process for synthesizing thiol terminated polymers

The present invention is directed to compositions comprising (a) a synthetic polymer, (b) a talc as a filler, wherein the talc particles have a mean particle size of from 0.4 to 25 &#x3bc;m, and are present in an amount of from 0.1 to 10% based on the weight of component (a) and (c) a dispersing agent which is based on a non-ionic surfactant or an amphiphilic statistical, block or comb copolymer, provided that when the synthetic polymer (a) is a polyamide, this is present in an amount of less than 55% based on the weight of (a), (b) and (c).

Dispersing agents in composites

The instant invention discloses a process for the preparation a polyolefin nanocomposite which comprises melt mixing a mixture of a polyolefin, a filler and a non-ionic surfactant.

Process for the preparation of polyolefin nanocamposites

The instant invention discloses a composition, preferably a nanocomposite material, comprising (a) a synthetic polymer, (b) a filler selected from a natural or synthetic phyllosilicate or a mixture of such phyllosilicates, preferably in nanoparticles, and (c) a dispersing agent prepared by controlled free radical polymerization (CFRP).

Dispersing agents in nanocomposites

This invention provides a method for removing certain sulfur-containing groups from polymers, especially those made via RAFT polymerization processes.

Method for removing sulfur-containing end groups

This invention concerns a free radical polymerization process, selected chain transfer agents employed in the process and polymers made thereby, in which the process comprises preparing polymer of general Formula (A) and Formula (B) comprising contacting: (i) a monomer selected from the group consisting of vinyl monomers (of structure CH&#x2550;CUV), maleic anhydride, N-alkylmaleimide, N-arylmaleimide, dialkyl fumarate and cyclopolymerizable monomers; (ii) a thiocarbonylthio compound selected from Formula (C) and Formula (D) having a chain transfer constant greater than about 0.1; and (iii) free radicals produced from a free radical source; the polymer of Formula (A) being made by contacting (i), (ii) C and (iii) and that of Formula (B) by contacting (i), (ii) D, and (iii); and (iv) controlling the polydispersity of the polymer being formed by varying the ratio of the number of molecules of (ii) to the number of molecules of (iii); wherein Q, R, U, V, Z, Z', m, p and q are as defined in the text. 

Polymerization with living characteristics

Growing community of inventors

Sassafras, Australia

Graeme Moad