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Investigation of factors influencing the yellow color of natural rubber latex foam products
Organization :
Mahidol University. Faculty of Science
Name: Adun Nimpaiboon
Organization :
Mahidol University. Faculty of Science
Name: Porntip Rojruthai
Organization :
King Mongkut's University of Technology North Bangkok. Faculty of Science, Energy and Environment
Email :
porntip.r@sciee.kmutnb.ac.th
Name: Jitladda Sakdapipanich
Organization :
Mahidol University. Faculty of Science
Email :
jitladda.sak@mahidol.ac.th
keyword:
Natural rubber
LCSH:
Rubber
-- Reinforcement
Abstract:
Natural rubber (NR) consists of 94% cis-1, 4 polyisoprenes, and 6% non-rubber components such as proteins,
lipids, sugars, and coloring matters. NR latex has been widely used in many applications, including foams, condoms, and gloves. One of the problems of NR latex is the yellow color of the products. The parameters influencing the yellow
color of NR latex foams were investigated in this study, including NR latex from two Hevea clones (RRIT251 and RRIM600 clones), types of accelerators used in latex compounding (dithiocarbamate and thiurams), drying temperatures
(70°C, 100°C, and 120°C) and the number of leaching NR latex foams with distilled water (05 times). The yellow
color as yellowness index (YI) of the foams was determined by a benchtop spectrophotometer. It was found that NR latex foams made from the RRIM600 clone had a lower YI than the NR latex foams made from the RRIT251 clone.
The low YI was obtained when the foams were produced using zinc-diethyldithiocarbamate (ZDEC) with zinc-2-
mercaptobenzothiazole (ZMBT) as accelerators and were dried at 70°C for 16 h. In addition, when the number of
leaching the foams with distilled water increased, the YI of the foams decreased
King Mongkut's University of Technology North Bangkok. Central Library
Address:
BANGKOK
Email:
library@kmutnb.ac.th
Created:
2022
Modified:
2022-11-24
Issued:
2022-11-24
BibliograpyCitation :
In King Mongkut's Institute of Technology Ladkrabang. Pure and Applied Chemistry International Conference (PACCON 2022) (pp.873-876). Bangkok : King Mongkut's Institute of Technology Ladkrabang
eng
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ใช้เวลา
0.027306 วินาที
Yanatanich Chintapunyakul
| Title | Contributor | Type |
|---|---|---|
| Investigation of factors influencing the yellow color of natural rubber latex foam products
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Yanatanich Chintapunyakul;Adun Nimpaiboon;Porntip Rojruthai;Jitladda Sakdapipanich | บทความ/Article |
Adun Nimpaiboon
| Title | Contributor | Type |
|---|---|---|
| Investigation of factors influencing the yellow color of natural rubber latex foam products
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Yanatanich Chintapunyakul;Adun Nimpaiboon;Porntip Rojruthai;Jitladda Sakdapipanich | บทความ/Article | |
| Development and characterization of natural rubber-cellulose sponge
มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ Nuttapon Suppanucroa;Adun Nimpaiboon;Muenduen Phisalaphong | บทความ/Article |
Porntip Rojruthai
| Title | Contributor | Type |
|---|
Jitladda Sakdapipanich
| Title | Contributor | Type |
|---|