Compounding — Process Challenge

플라스틱용 항산화제 및 안정제

폴리올레핀, 스타이렌 수지, 엔지니어링 수지는 용융 가공 및 사용 중 라디칼 자동산화로 열화되며, 항산화제/광안정제가 사용 수명 및 가공 안정성을 연장합니다.
Updated Jun 2026
솔루션 접근법

RawSource supplies the base chemicals that go into these programs. We can help with product selection, grade matching, and sourcing from multiple origins for supply security.

Typical Formulation Workflow
1
Polymer & Process Definition
Identify the resin and process (extrusion, molding, film) and the targets — thermal stability, clarity, flame retardance, slip, or color.
2
Additive Selection
Match stabilizers, antioxidants, plasticizers, lubricants, flame retardants, or masterbatch carriers to the polymer and processing temperatures.
3
Compounding Trial
Confirm loading and dispersion on a compounding or molding trial, checking processability, mechanicals, and aesthetics against the control.
4
Validation & Scale-Up
Verify long-term performance (heat aging, migration, weathering) and lock the formulation, packaging, and lot specs for production.
Recommended Chemistries (5)
BHT (Butylated Hydroxytoluene), Food Grade
CAS 128-37-0
특수 첨가제
1차 페놀계 산화방지제
Hindered-phenol primary antioxidant: donates a phenolic H to quench peroxy radicals, breaking the autoxidation chain during melt processing; the legitimate polyolefin AO of this set
융점:69–71 °C   끓는점:265 °C at 760 mmHg   밀도:1.048 at 20 °C
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TBHQ (Tert-Butylhydroquinone), Food Grade
CAS 1948-33-0
특수 첨가제
Tertiary butylhydroquinone
Hindered hydroquinone radical scavenger, a secondary phenolic option where BHT volatility is a concern
융점:127–129 °C   끓는점:295 °C at 760 mmHg   밀도:1.05
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BHA (Butylated Hydroxyanisole), Food Grade
CAS 25013-16-5
특수 첨가제
보존
Phenolic chain-breaking antioxidant that interrupts peroxide-radical propagation (food-grade stock)
융점:48–55 °C   끓는점:264–270 °C at 733 mmHg   Solubility: < 1 mg/mL at 18 °C
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Mixed Tocopherols Oil (Natural Antioxidant)
CAS 10191-41-0
특수 첨가제
보존
Natural-source phenolic H-donor for radical termination where a non-synthetic stabilizer is required
융점:2.5-3.5 °C   끓는점:BP: 200-220 °C at 0.1 mmHg   밀도:0.950 at 25 °C/4 °C
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D-a Tocopherol Powder
CAS 59-02-9
Alpha-tocopherol (vitamin E) is a genuine hindered-phenol primary antioxidant / radical scavenger used as a melt-processing and thermal-oxidative stabilizer for polyolefins, and is the standard choice for FDA food-contact and medical-grade (e.g. vitamin-E-stabilized UHMWPE) applications where synthetic phenolics are excluded. CAS 59-02-9 correctly identifies natural D-alpha-tocopherol. Mechanism,
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