Bayer secures licence for conductive polymer

Crompton

RTP Company produce ICPs

and

Chemson sign

RTP Company has concluded an exclusive North American

licencing agreement Crompton

Corporation

signed a technology

has

licencing

agreement with the Chemson Group for the production and sale of OBSTM organic-based stabilizer system. The company says that the licencing agreement

applies to Europe,

the Middle East, Australia and South America. Both companies will offer their own onepack technologies based on Crompton’s OBSm organic-

roll-out

licencing

of the most innovative

and highest

performance

stabi-

lizer for the new generation

of

PVC pipes and fittings. This development also underscores Crompton

Corporation’s

mitment to Responsible Care.” “Crompton has spent consid-

with

and offer improved

electrical,

mechanical

(ICPs). The company

ICP compounds

‘ii-t’no11-

properties. They e1imin.m the problems associated with tradi-

Europe and Asia. Panipol is a

tional carbon particulate-loaded

erable resources developing

manufacturer

this new and patented technology for heavy metal-free,

able inherently conductive polymer additives. ‘I‘he materials are claimed to

materials where the insulatorto-conductor transition OCCLITS

organic-based

stabilizers,”

adds

of melt-process-

Additives

in the optimal

GmbH.

organic-based

“OBS

stabilizer

nology has been thoroughly

tion of its heavy metal-free stabilizer system for PVC pipes

and successfully

field-tested

on shrink rate, specific gravity by

several European pipe manufacturers as a sound alternative to lead-based

range of 1O”- 10’

ohms/sc~. - all with little effect

tech-

speed up the market introduc-

systems.”

and other physical properties. Scott Koberna, product manager for Conductive Materials, says: “I‘he materials fill a void

over a very narrow I-ange ot additive concentration, making rhem either too conductive ot not conductive ‘rhe company

enough. adds that the

ICP compounds come in six standard colours dnd can be formulated

for injection

blow moulding, sheet extrusion.

cations include zipper bag.\, tldt

in the industry

for thermoplas-

poly bags, bottles,

According to Peter Welch, vice-president, Crompton

tic compounds

in this particu-

containers,

plant for OBS organic-based

lar surface resistivity

Vinyl Additives:

stabilizer production

that many people consider the best for dissipating charges.”

“The licencing

at its

facility in Lampertheim,

Ger-

range - one

totes, boxes,

dividers,

explosive

handling devices, circuit board racks/shelving, material handling equipment,

fm

brush

The compounds

ensure that the huge market potential for environmentally-

many. Production is expected to start in November 2001. Contact:

particles. Their physical

contffrt:

friendly stabilizers

Crompton Vinyl Additives

properties follow those of polypropylene, polyethylene

RTP Cowzpitny M: + I 507 454 6300

and polystyrene

Email: rtp @utpr-ompflny.corn

agreement

really helps to

is realized

quickly. It speeds up the global

Tel: +49 6206958321

polymeric

are all-

ot-

blown film 01 ‘Ij/pical appli-

Crompton adds that it will invest in a new manufacturing

Crompton-Chemson

and flow

will also manufacture and sell ICP compounds throughout

By licencing

and fittings. Chemson is well established in the PVC pipe market.

bdscd CUIII-

sloughing

based stabilizers. says that it can

than carbon-f?bre

thermoplastic compounds containing Inherently Conducting

provide an ESD solution with reproducible surface resistivity

Crompton

says that 1c:I’

are less expensive

pounds, which making them even more attractive.

Alex Martin, managing director of Crompton Vinyl

its technology,

RTP Company compounds

I’anipol Ltd. of Finland to manufacture melt-processable

Polymers

com-

agreement

to

with no carbon

neat resins.

Buyer secures licence for conductive Zipperling Kessler, the privately financed holding of Ormecon

mer using PEDT, which has been proved in a number of

Chemie,

apphcatlons. Ic is claimed to have high conductivity, trans-

Ammersbek,

Germany.

has closed a licence agreement with Bayer AG. In the agree-

parency, and stability and is easy to process. Baytron is processed

or its customers activities wirh PEDT. In addition, Bayer has acquired

the option

further applications Baytron.

to exploit for

ment, ZKC grants a licence to Bayer to produce certain dispersions and polymer blends with conductive polymers. Baytron@ has been developed as

as an aqueous dispersion. By closing the licence agreement, there are no more patents owned by Zipperling

Zipperling Kessler has been active in research and development for more than 20 years and owns a wide range of patents in the field of manufac-

an electrically conductive

Kessler & Co that block Bayer

turing and dispersing

Plastics Additives

poly-

& Compounding

june ZOO/

conduc-

bristles, corrugated sheet ,~nci electronic housings.

polymer tive polymers, including mixtures of conductive and noteconductive polymers. Conductive polymers I’EDT are increasingly

such as

used in

printed circuit board manuf,lcturing processes, corrosion pt-otection ,ipplications, dntist,ltic polymers and the expected forthcoming organic light emitting diodes.