Polymer Add (Thailand) Co., Ltd.

Nucleating Agents

Micronized nucleating agents play a crucial role in various industries, particularly in the production of polymers and plastics. Nucleating agents are substances that facilitate the formation of small crystalline structures within a material, promoting uniformity and enhancing its physical properties. Here are some key points to note about micronized nucleating agents:

Purpose and Function

Micronized nucleating agents are used to induce nucleation, which is the initial step in the formation of crystalline structures in a material. Micronized nucleating agents promote the creation of smaller and more uniform crystals, leading to improved clarity, strength, and mechanical properties in the final product. With small particle size (D50 of 1-10 microns), micronized nucleating agent enhances their dispersion and effectiveness in the polymer matrix.

There are basic three types of Nucleating agents,

Organic Nucleating Agent:

Chemical Name CAS No. Melting Range Enquiry
1,3:2,4)Diparamethyldibenzylidene Sorbitol (MDBS)
54686-97-4
255
1,3:2,4-Bis(3,4-Dimethylobenzylideno) Sorbitol (DMDBS)
135861-56-2
270
1,3:2,4-Dibenzylidene Sorbitol (DBS)
19046-64-1
224
Aluminium Benzoate / Aluminum Benzoate
555-32-8
250
Aluminium Hydroxide Bis(4-Tert-Butylbenzoate) (AL-PTTBA)
13170-05-3
>300
Calcium Cis-1,2-Cyclohexanedicarboxylate
491589-22-1
360
Calcium Phthalate
5793-85-1
230
Lithium Benzoate
553-54-8
>300
Potassium Benzoate
582-25-2
>300
Sodium Benzoate
532-32-1
410
Sodium Phenyl Phosphinate
4297-95-4
200
Zinc Citrate
546-46-3
334
Zinc Phenyl Phosphonate
34335-10-9
>300

Inorganic Nucleating Agent:

Chemical Name CAS No. Melting Range Enquiry
Calcium Sulfate
7778-18-9
1460
Talc / Talcum
14807-96-6
>1400
Titanium Dioxide (Tio2)
13463-67-7
>1800