PLEXTOL T 74K30

Plextol® T 74K30 is an aqueous dispersion of a acrylic ester-styrene copolymer. The dispersion was developed for secondary backing, particularly for the two coat process. When this technique is employed the handle of the carpet is mainly influenced by the choice of the dispersion for the precoat. Plextol® T 74K30 also can be used for the one coat process. When this technique is employed the dispersion gives the carpet a medium hard handle.

Available Documents

TDS Download

Technical Informations

Application Advice/Typical Applications

Plextol® T 74K30 is used with fillers such as calciumcarbonate, or can be used as a filler-free system. The filler content of compound should be kept as low as economically possible, in order to ensure that the finished article is capable of being recycled after its useful life. If Plextol® T 74K30 is used with higher filler-levels and / or antistatic-agents, the compatibility has to be tested. If there are problems with the compatibility, it is possible to add an appropriate anionic surface active agent or dispersing agents. The viscosity of compounds can be adjusted to the desired level using the normal acrylate thickeners which are well known in the industry (e.g. Plextol® CT 3103). The dispersion, or compounds based on it, can be frothed using a foaming machine and spread using a doctor roller or blade. The foam density is usually in the range of 500-600 grams per litre. The correct use of Plextol® T 74K30 ensures excellent filament-lock, a high tuft anchorage to the base fabric and durable bond to the secondary cloth.

Plextol® T 74K30 has been purified by special aftertreatment (steam distillation) so that residual monomers are no longer detectable and non-polymerizable, volatile constituents are only present in traces. Plextol® T 74K30 has good storage characteristics and also good mechanical and chemical stability. Plextol® T 74K30 shows a good filler compartibility and very good aging properties.

Shipping and Storage

Plextol® T 74K30 is supplied in road tankers or in non-returnable palletized bulk containers (net weight 1,000 kg). Plextol® T 74K30 has to be stored protected from frost and, as far as possible, below 40 °C. Storage at temperatures between + 5 and + 30 °C is recommendable. Plextol® T 74K30 contains a preservative to counter microbial attack during transportation. To protect it against germination during subsequent storage, absolutely stringent plant hygiene and, under certain circumstances, the addition of suitable preservatives will be necessary. Care must be taken to ensure that drums and storage containers are tightly closed. During processing, storage and transport of the product contact with metals unprotected against corrosion (likewise non ferrous metals) has to be avoided. When stored correctly Plextol® T 74K30 has a storage life of 6 months from date of delivery.

Product Security/Health and Safety

Before handling, please read the Safety Data Sheet of this product for advice on safety, use and disposal.

Effluents and Pollution Control

Before handling, please read the Safety Data Sheet of this product for advice on safety, use and disposal.

For further information regarding this product please refer to:

Dr. Wagner, Sandra
Phone: +49 (0)2365-49-2819
FAX: +49 (0)2365-49-2529
eMail: Sandra.Wagner@synthomer.com


Properties

Character Value Unit
Solids Content 50.0
pH Value 7.5  
Viscosity (23°C, 100 1/s) 150 mPas 


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