Plastic Additives (or Polymer Additives: stabilizers, antioxidants, radical scavengers)

Plastic Additives (or Polymer Additives) are essential in keeping and/or improving polymer properties of synthetic resin/rubber in their polymerization and/of usage.

In this regard, Sumitomo Chemical developed follwing specialty polymer additives;

• SUMILZER® GP an original hybrid-type antioxidant, having phenolic part and
   phosphite part within one molecule.
• SUMILIZER® GA-80 an original specialty semi-hindered-type phenolic antioxidant.
• SUMILIZER® GS(F) and SUMILIZER® GM(F) with proprietary technology as alkyl
   radical scavengers during processing/compounding.

Product Line-up

  PP/PE EVA XLPE SBS SBR/BR ABS PS PUR PA PC PET
Processing stabilizer
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Phenolic primary antioxidants
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Thio-ester type secondary antioxidants
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  PP/PE EVA XLPE SBS SBR/BR ABS PS PUR PA PC PET

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Technical Data

No. Title Reference Related Products
006 Studies on polymer stabilizers:Part VI
- Relationship between performance and molecular conformation		 Polymer Degradation and Stability 39 (1993) 329 - 343(482KB) SUMILIZER® GS(F)
005 Studies on polymer stabilizers:Part V
- Influence of structural factors on oxidative discoloration and thermal stability of polymers		 Polymer Degradation and Stability 39 (1993) 317 - 328 (477KB) SUMILIZER® GS(F)
004 Studies on polymer stabilizers:Part IV
- Prevention of oxidatiove discoloration		 Polymer Degradation and Stability 37 (1992) 107 - 113(763KB) SUMILIZER® GS(F)
003 Studies on polymer stabilizers:Part III
- Prevention of NOx gas discoloration with a new antioxdaint		 Polymer Degradation and Stability 37 (1992) 99 - 106 (256KB) SUMILIZER® GA-80
002 Studies on polymer stabilizers: Part II
- A new concept of a synergistic mechanism between phenolic and thiopropionate type antioxidants		 Polymer Degradation and Stability 35 (1992) 105 - 113 (413KB) SUMILIZER® GA-80
001 Studies on polymer stabilizers: Part I
- An novel thermal stabilier for butadiene polymers		 Polymer Degradation and Stability 22 (1988) 63 - 77 (467KB) SUMILIZER® GM(F)

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DTA-TG property of the Plastic Additives

Heating Rate:20°C/min.    Atomosphere:N2
Trade name Endthermic
peak temp.(°C)		 Weight loss
starting temp.(°C)		 Weight loss temp.(°C)
1% 5% 10% 15%
Processing stabilizer
128 270 295 329 344 360
122 249 253 294 315 327
135 141 209 249 268 278
Phenolic primary antioxidants
131 313 348 380 392 401
162 213 243 274 292 305
Thio-ester type secondary antioxidants
54 253 295 335 351 361

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