Highly Crosslinked Poly(urea-co-urethane) Copolymer Concrete Floor Coatings. Recently developed, poly(urea-co-urethane) concrete floor screeds are used, in the construction industry, to provide protection against corrosive chemicals and abrasive wear; properties unmatched by other commercial floor treatments. Significantly such material has reduced environmental emissions and toxicity hazards. Factors, which affect the cure and performance of poly(urea-co-urethane) flooring materials will now ....Highly Crosslinked Poly(urea-co-urethane) Copolymer Concrete Floor Coatings. Recently developed, poly(urea-co-urethane) concrete floor screeds are used, in the construction industry, to provide protection against corrosive chemicals and abrasive wear; properties unmatched by other commercial floor treatments. Significantly such material has reduced environmental emissions and toxicity hazards. Factors, which affect the cure and performance of poly(urea-co-urethane) flooring materials will now be studied, including the uncontrolled release of carbon dioxide, which results in sporadic blister formation, leading to the on-site product failures that have severely limited the product's commercial growth. Clear understanding of cure chemistry and adhesion will be established for the first, allowing for the products further development.Read moreRead less
Stereolithographic Additive Manufacturing of Semicrystalline Thermoplastics. This project aims to advance the development of high-throughput stereolithographic additive manufacturing of thermoplastic polymers and composites by employing a multi-colour irradiation schemes in conjunction with photopolymerisable, ring-opening monomer resin formulations. The fundamental scientific understanding, engineering expertise, and concomitant technology advances generated by this project are anticipated to e ....Stereolithographic Additive Manufacturing of Semicrystalline Thermoplastics. This project aims to advance the development of high-throughput stereolithographic additive manufacturing of thermoplastic polymers and composites by employing a multi-colour irradiation schemes in conjunction with photopolymerisable, ring-opening monomer resin formulations. The fundamental scientific understanding, engineering expertise, and concomitant technology advances generated by this project are anticipated to enable additive manufacturing to transition from the rapid prototyping of individual, unique items to the high volume production of robust, reprocessable plastic parts. By obviating the large capital expense of conventional fabrication, this developed technology should provide a path to reinvigorate Australian manufacturing.Read moreRead less
Novel network polymers with photoinduced plasticity. The production of crosslinked polymers (thermosets and rubbers) is a multi-billion dollar industry and these polymers are irreplaceable in their use in numerous applications in the household goods, medical, electronics, automotive and construction industries. However, they shrink during solidification causing internal stresses which weaken them and they can not be reshaped, repaired or recycled. This study will develop a novel range of cros ....Novel network polymers with photoinduced plasticity. The production of crosslinked polymers (thermosets and rubbers) is a multi-billion dollar industry and these polymers are irreplaceable in their use in numerous applications in the household goods, medical, electronics, automotive and construction industries. However, they shrink during solidification causing internal stresses which weaken them and they can not be reshaped, repaired or recycled. This study will develop a novel range of crosslinkable polymers which can change shape on irradiation by light (or by heating) for use in applications ranging from repairable composites, stress-free lens, non-shrinking dental filling materials and light-sensitive actuators which will have significant benefit to industry.Read moreRead less
High efficiency photoinitiators for novel photopolymerization processes. The radiation curing industry is worth several billion dollars world-wide with an Australian market of ca. $100 million and an even greater market in the Asian region. One of the main factors controlling the expansion of this industry is the development of new photoinitiator systems with improved performance. This project aims to combine the skills of three leading scientists in the photocuring field to develop more efficie ....High efficiency photoinitiators for novel photopolymerization processes. The radiation curing industry is worth several billion dollars world-wide with an Australian market of ca. $100 million and an even greater market in the Asian region. One of the main factors controlling the expansion of this industry is the development of new photoinitiator systems with improved performance. This project aims to combine the skills of three leading scientists in the photocuring field to develop more efficient, environmentally-friendly systems by controlling the initiation and polymerization mechanisms in (meth)acrylate, cyclic ether, cyanate and vinyl ethers. This should benefit local manufacturers exporting into the printing, adhesive, dental, lithography, composite industries and to the photopolymer industry generally.Read moreRead less
Cross-linking in free-radical polymerizations: kinetics and mechanical properties. Cross-linked polymer chains are joined together in a ?ladder? topology. This often occurs either deliberately or accidentally in industrial systems, and affects polymer properties. However, cross-linking mechanisms are poorly understood, and there are no general means of quantitatively controlling effects on mechanical properties. As a by-product from a previous IREX grant, a means was found to grow polymers with ....Cross-linking in free-radical polymerizations: kinetics and mechanical properties. Cross-linked polymer chains are joined together in a ?ladder? topology. This often occurs either deliberately or accidentally in industrial systems, and affects polymer properties. However, cross-linking mechanisms are poorly understood, and there are no general means of quantitatively controlling effects on mechanical properties. As a by-product from a previous IREX grant, a means was found to grow polymers with controlled cross-linking. This proposal exploits this method to synthesize polymers with different amounts of cross-linking, and to examine their formation mechanisms and mechanical properties. This has the potential of improving means of making rubber-based materials by polymer modification.Read moreRead less
Unravelling mechanisms in plasma growth of polymers. Surface engineering broadens the breadth of applications for many materials, and enhances the performance and value of current and emerging technologies. Surface engineering is particularly important to maintaining the competitiveness of manufacturing in developed economies such as Australia, that can not compete on a cost basis with emerging economies. Plasma coating replaces (alternative) environmentally-questionable surface treatments. This ....Unravelling mechanisms in plasma growth of polymers. Surface engineering broadens the breadth of applications for many materials, and enhances the performance and value of current and emerging technologies. Surface engineering is particularly important to maintaining the competitiveness of manufacturing in developed economies such as Australia, that can not compete on a cost basis with emerging economies. Plasma coating replaces (alternative) environmentally-questionable surface treatments. This project enhances Australian competitiveness; it cuts across industrial sectors and will deliver the new knowledge required to enhance material/technology functionality/performance. A PhD student will receive a multi-disciplinary training in a frontier technology and advanced analytical tools.Read moreRead less
Molecular archaeology: new knowledge from molecular weight distributions of synthetic and natural polymers. This project will lead to new understanding of how natural and synthetic polymers are formed. Examples are the enzymatic processes that produce the subtle architecture of rice grains, and the processes that pose problems for developing new techniques for making novel polymer-based materials. The fundamental scientific knowledge from this project will provide a platform for the future devel ....Molecular archaeology: new knowledge from molecular weight distributions of synthetic and natural polymers. This project will lead to new understanding of how natural and synthetic polymers are formed. Examples are the enzymatic processes that produce the subtle architecture of rice grains, and the processes that pose problems for developing new techniques for making novel polymer-based materials. The fundamental scientific knowledge from this project will provide a platform for the future development of improved materials, and for superior grain varieties for food and industrial use. These advances will be of significant benefit to Australian industry and consumers.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0347258
Funder
Australian Research Council
Funding Amount
$170,000.00
Summary
Polymer Analysis Facility. The aim of this application is to establish a facility for polymer analysis. The infra-red spectrometer will be used primarily for analysis of polymerisation reactions whilst the thermal analysis equipment is essential for the characterisation of polymers and thin polymer coatings. The facility will contribute an essential analysis capability for three strong research groups who work in different aspects of polymer science. The main outcomes will improved productivity ....Polymer Analysis Facility. The aim of this application is to establish a facility for polymer analysis. The infra-red spectrometer will be used primarily for analysis of polymerisation reactions whilst the thermal analysis equipment is essential for the characterisation of polymers and thin polymer coatings. The facility will contribute an essential analysis capability for three strong research groups who work in different aspects of polymer science. The main outcomes will improved productivity within the current projects together with new collaborations, particularly between the Steel Institute (ISPP) at Wollongong and the Centre of Advanced Molecular Design (CAMD) at UNSW.Read moreRead less
Polymerization Mechanism and Kinetics of 1,1-Disubstituted Monomers. This project focuses on two exciting research areas: (I) we have found that an oxygen atom b to the double bond activates radical polymerization, making a whole new family of polymeric structures accessible, and (II) we have strong preliminary data that demonstrates a very large solvent effect on propagation and termination reactions for acrylic monomers with an a-CH2OH functionality, suggesting that significant control can be ....Polymerization Mechanism and Kinetics of 1,1-Disubstituted Monomers. This project focuses on two exciting research areas: (I) we have found that an oxygen atom b to the double bond activates radical polymerization, making a whole new family of polymeric structures accessible, and (II) we have strong preliminary data that demonstrates a very large solvent effect on propagation and termination reactions for acrylic monomers with an a-CH2OH functionality, suggesting that significant control can be exerted over the polymerization process using additives. Additionally, we demonstrate that polymers containing repeat units with an a-CH2OH functionality can undergo reversible cyclization, enabling a whole range of novel functional materials.Read moreRead less
Mechanisms in Catalytic Chain Transfer Polymerization. The aim of the proposed research is to gain more insight into the mechanisms underlying catalytic chain transfer polymerization, a relatively recent controlled radical polymerization technique which is finding an increasing number of industrial applications, especially in the paint and coatings industry. An improved understanding of the catalytic chain transfer process, of which some very important features are still poorly understood, will ....Mechanisms in Catalytic Chain Transfer Polymerization. The aim of the proposed research is to gain more insight into the mechanisms underlying catalytic chain transfer polymerization, a relatively recent controlled radical polymerization technique which is finding an increasing number of industrial applications, especially in the paint and coatings industry. An improved understanding of the catalytic chain transfer process, of which some very important features are still poorly understood, will ultimately lead to better catalyst design and improved process and product control. This in turn will lead to novel polymeric materials.Read moreRead less