Antistatic agent for flexible PU foams

Antistatic agent for flexible PU foams

Additives fclr Polymers Processing December aid Antistatic Paraloid KM390 from Rohm & Haas, combines an acrylic impact modifier with a processing...

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Additives fclr Polymers

Processing

December

aid

Antistatic

Paraloid KM390 from Rohm & Haas, combines an acrylic impact modifier with a processing aid. It is said to be gaining ground in PVC siding applications at use levels of 56 phr. & Haas Co, 100 Contact: Rohm Independence Mall West, Philadelphia, PA 191062399, USA. Tel: +I-800-356-3402. Fax: +l-215-592-2321.

Blending/processing

aids

SA 9207 from Struktol Co of America is a processing aid designed to provide better dispersion, mixing, and flow properties. It is available in pellet and microbead form. TR 044 is a high-temperature blending and processing aid which contains no metal ions, therefore preventing degradation in sensitive polymers and blends. Contact: Struktol Co of America, 201 E. Steels Corners Road, Box 1649, Stow, OH 44224-0649, USA. Tel: + I-21 6-928-5188. Fux: + I-2 16-928-8726.

Polythene-based and lubricants

compatibilizers

AlliedSignal is marketing two low molecular weight polythenes for use as compatibilizers and/or lubricants in mixed polymer systems. Polyace 573 is maleated and contains reactive anhydride groups. It is said to be particularly in effective as a compatibilizer polypropylene/nylon mixes used in producing barrier packaging films. Polyace 804 is a preblend of polythene and petroleum wax designed for use as a lubricant in extruded rigid and flexible PVC. The wax is paraffin wax, which is not traditionally used in PVC. Contact: The Pe[formance Additivc)s Divi.yion, AIliedSignul Inc, 101 Columhiu Road, Box 1039, Morristorvn, NJ 07962-1039, USA. Tol. -I- I-201 -455‘-2 14.5. Fax: + I-201 -45.5-6154.

1994

agents for films

Two antistats from ICI Surfactants are designed for use in polyolefin films. Atmer 168 is an ethoxylated amine aimed primarily at biaxially orientated polypropylene film, intended for use with Atmer 129. Atmer 169 is an ethoxylated amine with a low coloration. Gardner scale 2. Carrying food-use approval, it is used in the manufacture of LDPE film and some styrene-based products. A further product, Atmer 190, is said to offer performance in such polymers as polystyrene, styrene copolymers (HIPS, SAN and ABS), rigid PVC and polycarbonate. The product reportedly features superior thermal stability. allowing it to be compounded into engineering resins without degradation. It is also said to exhibit outstanding performance at low relative humidities. Contact: ICI Surfactants, PO Box 90, Wilton Centre, Middlesborough, TS90 8JE, UK. Tel. + 44-642-43 7651. Fax: + 44-642-43 73 14.

Internal/external

antistatic

agent

A sodium alkyl sulphonate antistatic agent, known as Hostastat HS I is available in fine grain or masterbatch form from Hoechst Celanese. It is intended for use in most thermoplastics. It can be incorporated into polymers before processing, or applied externally to finished surfaces. The product is supplied as a non-dusting, odourless powder. Contact: Hoechst Celuncse Carp, 5200-77 Center Drive, Churlotte, NC 28217, USA. Tel: -I-I - 704-559-6028. Fax: + I - 704-5596780.

Antistatic agent for flexible PU foams XUS 15615.00 from Dow is said to provide inherent static control when added to flexible PU foams. and is suggested for elccrronics packaging and other speciality packaging

0 1994 Elsevier Science I,rtl

December

I994

Additives for Polymers

applications. It is said to process well. Contact: Dow Chemical Co, 2040 Dow Center, Midland, MI 48674, USA. Tel: +I800-447-4369.

Oxazolidine

curing agents

Industrial Copolymers Ltd in the UK has introduced two oxazolidine curing agents which are said to be suitable for use in polyurethane coatings, sealants and elastomers. They are marketed as the Incozol range. Both products are said to enable rapid curing of aliphatic-based moisture-triggered systems without carbon dioxide gassing and subsequent ‘pin-holing’ of the cured material. Also referred to as ‘latent hardeners’, they remain inactive until application, whereupon they hydrolyze to reveal active amine and hydroxyl functions. Incozol 4 is a urethane biz-oxazolidine for general use, while Incozol LV exhibits a considerably lower viscosity than conventional products of this type. Contuct: Industriul Copolymers Ltd, PO Box 347, Prirnrose Hill, London Road, Preston, PRI 4LT, UK. Tel: i-44-772-201 964. Fax. i- 44- 772-883570.

Chemical

blowing

agent

Porofor KA 9149 from Miles inc is a chemical blowing agent that is said to combine low dusting with good dispersibility. Its primary use is in foamed film and sheet, eg wallpapers, floor coverings, leathercloth, etc. Contact: Miles Inc, Mobay Road, Pittsburgh, PA 15205-91741, USA. Tel: + I-41 2-777-2000. Fax: + I-412-777-7413.

Rheology

modifier

Paraloid EXL 3611 is a methyl methacrylatebutadiene-st,yrene copolymer that facilitates extrusion blow-moulding of nylons by improving melt viscosity at low-shear. Its effect in high-shear regimes is only marginal. The additive is also intended for use in low O1994 Elsevier Science Ltd

molecular weight grades and recyclate, where the supplier says it will significantly improve processing during injection moulding and extrusion. It also improves elongation at break and impact strength, owing to its very low glass transition temperature of -76°C. Contact: Rohm & Haas GmbH, Postfach 940322, D-60461, Frankfurt, Germany. Tel: + 49-69- 789-96. Fax: + 49-69-289-5356.

Hydrophobic

concentrate

Himont USA Inc, has introduced the Xantrix additive delivery system for use in hygienic and medical applications that require reduced absorption of fluids. The line is available in free-flowing polypropylene spheres at loadings as much as 25%. Contact: Himont USA Inc, 2801 Centerville Road, Box 15439, Wilmington, DE 19850, USA. Tel: +l-302-996-6000. Fu: +I -302996-6051.

Calcium carbonate extenders

fillers/

JM Huber has introduced Optifil and Optifil T, which are calcium carbonate fillers/ extenders made from stone with a chalk-like morphology. They are said to reduce costs while maintaining the physical properties of vinyl siding, profiles and other plastics products. Contact: JM Huber Carp, Chemical Division, Box 310, Havre de Grace, MD 21078, USA. Tel: + I-41 o-939-3500. Fax: + I-41 0-9399210.

Biocide with good processing characteristics A 5% active-ingredient product, Intercitle ABF5 OD from Akcros Chemicals America, is said to offer improved dispersion characteristics and ease of handling during processing. The product is an additional grade in the lntercide ABF liquid biocide series. which come as 2% and 5% active ingredient