Light stabilisers

TAA (Triacetonamine, 2,2,6,6-tetramethyl-4-piperidinone)

COMPOSITION, APPEARANCE AND PROPERTIES

Triacetonamine is a yellow to brownish crystalline substances with a characteristic amine odour. It is soluble in common organic solvents. It creates a hydrate with water.

QUALITY SPECIFICATIONS

Quality indicator

Unit

Value

Active substance content

 flat %          

min. 96

 

Binding quality specifications and methods of determination are defined in a contractual arrangement.

USES

This is an organic intermediate product used in the chemical and pharmaceutical industry.

PACKAGING

TAA is delivered in 200 l galvanised steel drums or in heated tanker trucks.

TRANSPORT

Road, rail and marine.

STORAGE

Store in dry and covered storage areas for up to 6 months. Processing within 1 month is recommended. Keep the package properly sealed. Avoid temperatures above 60 °C to prevent degradation. Protect the product from moisture and air/oxygen (store in nitrogen-shielded atmosphere).

TMP (Tetramethylpiperidinol, 2,2,6,6-tetramethyl-4-piperidinol)

COMPOSITION, APPEARANCE AND PROPERTIES

TMP is a white organic crystalline substance with a characteristic faint odour delivered in powder form. It is soluble in common organic solvents.

QUALITY SPECIFICATIONS

Quality indicator

Unit

Value

Active substance content

 WT%           

min. 99.5

Water content

 WT%           

max. 0.2

Ash content

 WT%           

max. 0.1

Permeability of a 10% solution of TMP in methanol

           

 

at 425 nm

  %           

min. 94.0

at 450 nm

  %           

min. 96.0

 

Binding quality specifications and methods of determination are defined in a contractual arrangement.

USES

An organic intermediate product used for additional processing in chemical processes, primarily the production of HALS type light stabilisers and in the pharmaceutical industry.

PACKAGING

The product is delivered in 500 or 550 kg big bags or in 25 kg paper bags with an internal polyethylene liner and secured with plastic wrap on a pallet.

TRANSPORT

Road, rail and marine.

STORAGE

The product may be stored for up to 6 months from the date of production in sealed packaging in dry and cool places.

Dastib 845

COMPOSITION, APPEARANCE AND PROPERTIES

Light monomer stabiliser (HALS type). It is a mixed ester of higher fatty acids and 2,2,6,6-tetramethylpiperidinol. Under normal conditions, this is a solid waxy white to light yellow substances with no characteristic odour.

QUALITY SPECIFICATIONS

Quality indicator

Unit

Value

Melting point

 °C       

min. 28

Ash content

 WT%           

max. 0.1

Saponification number

  mg KOH/g         

128-137

Permeability of a 5% solution of Dastib in toluene

 

 

at 425 nm

  %           

min. 75.0

at 450 nm

  %           

min. 85.0

 

Binding quality specifications and methods of determination are defined in a contractual arrangement.

USES

This product is intended to protect polymers from the damaging effects of ultraviolet light, which causes photooxidation. Polyolefins, LDPE, HDPE and PP products, are the primarily areas of use. It may also be used for PS, ABS, PA and PUR products and certain coatings.

PACKAGING

160 kg in 200 l galvanised steel drums. Other types and forms of packaging may be agreed upon by the manufacturer and the customer.

TRANSPORT

Road, rail and marine.

STORAGE

Store in dry and covered storage areas. The maximum storage temperature is 35 °C. Keep the product away from heating pipes or other sources of heat.

Dastib 845 S

COMPOSITION, APPEARANCE AND PROPERTIES

It is a mixed ester of higher fatty acids and 2,2,6,6-tetramethylpiperidinol applied on an inert carrier, in this case low density polyethylene (LDPE). Appearance - white to slightly yellow non-powdery granulate with no characteristic odour.

QUALITY SPECIFICATIONS

Quality indicator

Unit

Value

Active substance content

WT%

48 - 52

 

Binding quality specifications and methods of determination are defined in a contractual arrangement.

USES

The product is primarily used to stabilise LDPE, HDPE, PP and other thermoplastics. The polymer protects against damaging UV light, which causes photooxidation.

PACKAGING

20 kg paper boxes with a polyethylene liner. Temperatures during shipment may not exceed 35 °C.

TRANSPORT

Road, rail and marine.

STORAGE

Store in dry and covered storage areas. Temperatures during storage shall not exceed 35 °C. Keep the product away from heating pipes or other sources of heat.

Dastib 845 P

COMPOSITION, APPEARANCE AND PROPERTIES

It is a mixed ester of higher fatty acids and 2,2,6,6-tetramethylpiperidinol applied on an inert carrier, in this case polypropylene (PP). Appearance - white to slightly yellow granulate with no characteristic odour.

 

QUALITY SPECIFICATIONS

Quality indicator

Unit

Value

Active substance content

WT%

48 - 52

 

Binding quality specifications and methods of determination are defined in a contractual arrangement.

USES

The product is primarily used to stabilise LDPE, HDPE, PP and other thermoplastics. The polymer protects against damaging UV light, which causes photooxidation.

PACKAGING

20 kg paper boxes with a polyethylene liner. Temperatures during shipment may not exceed 35 °C.

TRANSPORT

Road, rail and marine.

STORAGE

Store in dry and covered storage areas. Temperatures during storage shall not exceed 35 °C. Keep the product away from heating pipes or other sources of heat.