UV Absorber B-CAP CAS NO 6337-43-5

UV Absorber B-CAP CAS NO 6337-43-5

Applications:
1.It is a novel light stabilizer which is widely used in engineering plastics such as PC,PET etc;
2.Itcan be used alone or together with other light stabilizers;
3.Itcan be used direct with resins or be prepared in pre-dispersion granular form;or dissolve it in solvents to paint on the surface of products;
4.In 1mm PC injection sheet,the effect with 0.3% it is much better than hydroxyphenyl triazines and benzotriazole-based ultraviolet absorbers;

Send InquiryChat Now

Product Details

UV absorber B-CAP CAS NO 6337-43-5

Efficient UV absorber for engineering plastics with high demands for transparency

 

It is a benzylidene malonate type  which strongly absorb in the high energy part of the UV spectrum(maximum up to 326nm);it is recommended for use in plastic materials, particularly engineering plastics with high demands for transparency, such as polycarbonate and polyesters. It can be equally used also in PVC, styrenics etc.commercial production.welcome to try our product.

 

Product Name:

UV absorber B-CAP

 

Chemical name:

Tetra-ethyl-2,2’-(1,4-phenylene-dimethylidene)-bismalonate

 

CAS NO.: 

6337-43-5

 

Molecular Formula: 

C22H26O8

 

Formula weight: 

418.44

 

Structure:

    37.gif

 

Synonyms:

p-Phenylenebis(methylenemalonic acid)tetraethyl ester;

2,2'-Thiobis(4-tert-octylphenol);

2,2'-Thiobis(4-(1,1,3,3-tetramethylbutyl)phenol);

Phenol,2,2'-thiobis(4-(1,1,3,3-tetramethylbutyl)-;

Bis(2-hydroxy-5-tert-octylphenyl) Sulfide;

2,2'-sulfanediylbis[4-(2,4,4-trimethylpentan-2-yl)phenol];

2,2'-Dihydroxy-5,5'-di-tert-octyldiphenylsulfide;

 

Specifications:

Item

Standard

Appearance

White   to offwhite powder

Melting   point

137℃~139℃

TGA10%   mass loss,N2,10℃/min

286℃

Solubility

Soluble   in Methylene chloride,acetone,ethylene acid etc organic solvents

 

 

Applications:

1.It is a novel light stabilizer which is widely used in engineering plastics such as PC,PET etc;

2.Itcan be used alone or together with other light stabilizers;

3.Itcan be used direct with resins or be prepared in pre-dispersion granular form;or dissolve it in solvents to paint on the surface of products;

4.In 1mm PC injection sheet,the effect with 0.3% it is much better than hydroxyphenyl triazines and benzotriazole-based ultraviolet absorbers;

5.In 2mm PC injection sheet,the effect with 0.25% it is much better than other traditional UV absorbers;

6.It just can be used in industry field;

7.Recommended dosage: 0.25%~0.3%;

 

Features:

l  excellent absorbtion especially in the UVB-range

l  colorless and even in high concentration in the resin does not lead to any discoloration

l  It does not form colored complexes with metal ions as many other UV-absorbers do

 

Package:

25kgs/paper drum;

25kgs/kraft bag;

or as customer’s request;

 

Storage:

Stock in dry,cool and well-ventilated place.keep package tightly closed not in use or during transportation

 

Transportation

It is not a dangerous goods according to transportation regulation;

 

Shelf life:

2 years from manufacture date in sealed original package under suitable storage condition

 

Lead time: prompt


Hot Tags: UV Absorber B-CAP CAS NO 6337-43-5, China, suppliers, manufacturers, factory
Related Products

Inquiry

  • Your Name:
  • *E-mail:
  • Phone:
  • Company:
  • Title:
  • *Content: