Table 1 Various formulation ratios of samples
From: In-vitro toxicity study of poly(alkylphenol) as vulcanizing agent
Sample | Constituent | Solvent for samples | Sample concentrations in DMSO (mol %) | Dilution ratio with PBS (wt %) | Mw measured by GPC |
|---|---|---|---|---|---|
PBS | Phosphate Buffered Solution | DMSO | - | - | - |
(−) control | Pure phenol (Sigma-Aldrich Co., Ltd., St. Louis, USA) | DMSO | 1 %, 5 %, 10 % | 1 %, 5 %, 10 % | - |
(+) control | Poly phenol disulfide (GreenUS M&B Co., Seoul, Korea) | DMSO | 1 %, 5 % 10 % | 1 %, 5 %, 10 % | 802 |
P1 | Poly p-octylphenol disulfide (GreenUS M&B Co., Seoul, Korea) | DMSO | 1 %, 5 %, 10 % | 1 %, 5 %, 10 % | 2,027 |
P2 | Poly p-(1,1 dimethyl ethyl) phenol disulfide (GreenUS M&B Co., Seoul, Korea) | DMSO | 1 %, 5 %, 10 % | 1 %, 5 %, 10 % | 2,116 |
P3 | Pol p-tert-butylphenol disul fi de (GreenUS M&B Co., Seoul, Korea) | DMSO | 1 %, 5 %, 10 % | 1 %, 5 %, 10 % | 2,365 |
CP-1 | Copolymer of P2 and P3 (1:3, in monomer feeding ratio) (GreenUS M&B Co., Seoul, Korea) | DMSO | 1 %, 5 %, 10 % | 1 %, 5 %, 10 % | 2,772 |
CP-2 | Copolymer of P2 and P3 (3:1, in monomer feeding ratio) (GreenUS M&B Co., Seoul, Korea) | DMSO | 1 %, 5 %, 10 % | 1 %, 5 %, 10 % | 2,728 |
CP-3 | Copolymer of P2 and P3 (1:1, in monomer feeding ratio) (GreenUS M&B Co., Seoul, Korea) | DMSO | 1 %, 5 %, 10 % | 1 %, 5 %, 10 % | 2,632 |