PET PBT Textile flame retardant 2-carboxyethyl phenylphosphonic acid CEPPA
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PET PBT Textile flame retardant 2-carboxyethyl phenylphosphonic acid CEPPA

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  • CEPPA

2- carboxyethyl phenylphosphonic acid

PET PBT Textile flame retardant 2-carboxyethyl phenylphosphonic acid CEPPA

CEPPA

CAS: 14657-64-8

Molecular Formula: C9H11O4P

Molecular Formula:214.16

Application: This product belongs to the environmental protection flame retardant, suitable for the permanent flame retardant modification of polyester. The spinnability of the flame retardant polyester obtained is similar to that of conventional PET and PBT, and can be processed by any spinning system. It has excellent thermal stability, no decomposition in the spinning process and no odor in the spinning site. It can improve the antistatic performance of polyester products. CEPPA is suitable for the application of conventional PET in all fields.


(Specification)

Item

Unit

Index

Appearance


White crystal or powder

Purity

%

≥99.0

Melting point

≥158

Phenylphosphonic acid

ppm

≤50

Phenylhypophosphonic acid

ppm

≤50

Acid value

mgKOH/g

522.0±5.0

Moisture

%

≤0.5

Chloride

ppm

≤10

Transmission   rate

%

≥93.0(300nm)

≥98.0(450nm)

 

Packing and storage: Use 950KG bag, 1 bag/carrier, it also can be packed according to customer requirements.


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