SpecialChem4Polymers.com R&D Highlights in Plastics & Elastomers Formulation

Dynamic Materials Obtained from Waste Biomass

Fri, 03 Feb 2012 00:00:00 +0100

Methyl acrylate (MA) monomer was graft copolymerized onto fibers derived from waste biomass and used to explore the additive effect of vinyl acrylate (VA) and ethyl acrylate (EA) on percentage grafting and the properties of natural fiber, in binary... (R&D Highlight)

All R&D Highlights Subscribe to Polymer Additives & Colors Newsletter

Plasticized Cellulose Ester-elastomer Compositions

Thu, 02 Feb 2012 00:00:00 +0100

This invention relates to the dispersion of cellulose esters in elastomers as small particles to improve the mechanical and physical properties of the elastomer. Polar cellulose esters (CE) are incompatible with non-polar elastomers. In addition,... (R&D Highlight)

All R&D Highlights Subscribe to Polymer Additives & Colors Newsletter

Lignin as Additive in PP

Wed, 01 Feb 2012 00:00:00 +0100

PP/CF composites were prepared and the effect of lignin incorporation in the presence and absence of compatibilizer (maleic anhydride grafted polypropylene, PP-g-MA) was investigated by means of mechanical, thermal and morphological properties.... (R&D Highlight)

All R&D Highlights Subscribe to Polymer Additives & Colors Newsletter

Antistatic Resin Composition

Tue, 31 Jan 2012 00:00:00 +0100

THe invention claims an antistatic agent which does not impair the appearance or the mechanical strength of a molded article and which provides sufficient permanent antistatic properties to the molded article even when added in a small amount. The... (R&D Highlight)

All R&D Highlights Subscribe to Polymer Additives & Colors Newsletter

Flame Retardant-stabilizer Combination for Thermoplastic Polymers

Mon, 30 Jan 2012 00:00:00 +0100

The invention is a halogen free flame retardant (FR) stabilizer combination for thermoplastic polymers. The FR package contains 30 to 80% by weight of phosphinic or diphosphinic salts, 20 to 50% by weight of a nitrogen-containing synergist or of a... (R&D Highlight)

All R&D Highlights Subscribe to Polymer Additives & Colors Newsletter

Chain Extension and Branching of Recycled PET with Di- and Multifunctional Epoxy or Isocyanate Additives

Fri, 27 Jan 2012 00:00:00 +0100

The effect of two difunctional chain extenders, 1,6-diisocyanatohexane (NCO) and 1,4-butanediol diglycidyl ether (EPOX), in the reactive melt-processing of a post-consumer poly(ethylene terephthalate) (r-PET) was investigated. The torque evolution... (R&D Highlight)

All R&D Highlights Subscribe to Polymer Additives & Colors Newsletter

Rubber Toughening of Glass-reinforced Composites

Thu, 26 Jan 2012 00:00:00 +0100

Epoxy resins are considered as one of the most important class of thermosetting polymers and find extensive use in various fields. However, these materials are characterized by a relatively low toughness. In this respect, many efforts have been made... (R&D Highlight)

All R&D Highlights Subscribe to Polymer Additives & Colors Newsletter

Improving the Flow Properties of Thermoplastic Melts Using Comb Polymer Additives

Wed, 25 Jan 2012 00:00:00 +0100

The present invention relates to a process for improving the flow properties of a polymer melt by the addition of particular copolymeric additives to improve the flow properties of a polymer melt. The flow characteristics of polymer melts have... (R&D Highlight)

All R&D Highlights Subscribe to Polymer Additives & Colors Newsletter

Improved Bimodal HDPE Compositions for Injection Molding of Caps and Closures

Tue, 24 Jan 2012 00:00:00 +0100

This invention is an improved bimodal HDPE composition for producing injection molded caps and closures. The inventive composition contains an ethylene homopolymer or an ethylene alpha-olefin copolymer which is a bimodal high density polymer in... (R&D Highlight)

All R&D Highlights Subscribe to Polymer Additives & Colors Newsletter

Development of Advanced Electrically Conductive PET Composite Materials

Mon, 23 Jan 2012 00:00:00 +0100

The unique and extraordinary mechanical, electrical and thermal conductivity properties of multi-walled carbon nanotubes (MWCNTs) make them ideal candidates as functional fillers for polymeric materials. Poly(ethylene terephthalate) (PET) is an... (R&D Highlight)

All R&D Highlights Subscribe to Polymer Additives & Colors Newsletter

The Effect of Polymer Additives on Surface Quality of Microcellular Injection Molded Parts

Fri, 20 Jan 2012 00:00:00 +0100

Microcellular injection molding is an emerging process for producing foamed plastic parts with complex geometries. It has many advantages including material, energy, and cost savings as well as greater design freedom and dimensional stability. In... (R&D Highlight)

All R&D Highlights Subscribe to Polymer Additives & Colors Newsletter

Additives for Improved BOPP Films

Thu, 19 Jan 2012 00:00:00 +0100

Biaxial polypropylene (BOPP) films have found wide acceptance in the packaging industry because of their superior physical properties such as high tensile strength, stiffness, optical clarity, gloss, and even a certain degree of moisture and oxygen... (R&D Highlight)

All R&D Highlights Subscribe to Polymer Additives & Colors Newsletter

Improved Antistat Formulations for Multilayer Polymeric Film for Use as Cut-and-stack Plastic Label

Wed, 18 Jan 2012 00:00:00 +0100

This invention is a multilayer film including: (a) an intermediate layer consisting a polymer and an antistatic agent,(b) a top layer that is printable; and (c) a bottom layer containing a polymer and a non-migratory slip agent. The multilayer film... (R&D Highlight)

All R&D Highlights Subscribe to Polymer Additives & Colors Newsletter

Improved Stabilizers for Vinylidene Copolymer Blends

Tue, 17 Jan 2012 00:00:00 +0100

Vinylidene copolymers are heavily utilized in food packaging applications due to their inherent transparency and gas barrier resistance. However, these material have a very narrow processing window due to their thermal instability. This invention... (R&D Highlight)

All R&D Highlights Subscribe to Polymer Additives & Colors Newsletter

Nanoclay Reinforcement of Biocomposites

Mon, 16 Jan 2012 00:00:00 +0100

Liquid composite molding (LCM) processes are widely used to manufacture composite parts for the automotive industry. An appropriate selection of the materials and proper optimization of the manufacturing parameters are keys to produce parts with... (R&D Highlight)

All R&D Highlights Subscribe to Polymer Additives & Colors Newsletter

Improving the Impact Strength of GF Reinforced PBT Using an Elastomeric Bonding Agent

Fri, 13 Jan 2012 00:00:00 +0100

In this study the effect of incorporation of ethylene-co-glycidylmethacrylate (GMA)-co-n-butyl acrylate (nBA) terpolymer with an epoxy functional group, on the mechanical performance of short glass fiber (SGF)/PBT composites has been investigated.... (R&D Highlight)

All R&D Highlights Subscribe to Polymer Additives & Colors Newsletter

Membrane Enhancement with Nanoparticles

Thu, 12 Jan 2012 00:00:00 +0100

Although several studies explored the use of nanoparticles as additives in membrane structures, mixed matrix membranes still suffer from difficulties in synthesis and applications. In this paper, a new outlook on enhancement of membranes with... (R&D Highlight)

All R&D Highlights Subscribe to Polymer Additives & Colors Newsletter

Antimicrobial Activity of PP Food Packaging Films

Wed, 11 Jan 2012 00:00:00 +0100

Antimicrobial active films based on PP were prepared by incorporating thymol and carvacrol at three different concentrations: 4, 6 and 8 wt.% of both additives as well as an equimolar mixture of them. A complete thermal, structural, mechanical and... (R&D Highlight)

All R&D Highlights Subscribe to Polymer Additives & Colors Newsletter

TPU/TPO Blends with Improved Surface Properties

Tue, 10 Jan 2012 00:00:00 +0100

This invention is a composition, preferably a halogen-free, flame retardant composition, containing 90:10 to 10:90 ratios of TPU:TPO. Preferably a polar polyolefin polymer is used. The composition may also contain halogen free phosphate ester flame... (R&D Highlight)

All R&D Highlights Subscribe to Polymer Additives & Colors Newsletter

Use of a Foaming Agent to Improve EMI Shielding

Mon, 09 Jan 2012 00:00:00 +0100

This invention is a conductive plastic article suited for a housing that offers improved shielding against electromagnetic interference or that offers improved electrostatic discharge properties. The plastic article is made by means of low pressure... (R&D Highlight)

All R&D Highlights Subscribe to Polymer Additives & Colors Newsletter