(1). Riyapan, D., Saetung, A. and Saetung, N. 2019. “A Novel Rigid PU Foam Based on Modified Used Palm Oil as Sound Absorbing Material”. Journal of Polymers and the Environment, 27:1693–1708
(2). Riyapan, D., Saetung, N. and Saetung, A. 2016. “Modification of used palm oil: Preliminary study of its potentiality as polyurethane foam precursors”. Key Engineering Materials Submitted, 705: 50-54.
(3).Riyajan, S., Khiatdet, W., Leejarkpai, L. and Riyapan, D. 2014. “Crosslinking of Epoxidized Natural Rubber with Terephthalic Acid: Effect of Terephthalic Acid and Cassava Starch”. Journal of polymers, 31 (2): 145-158
(4). Riyajan, S., Riyapan, D. and Tangboriboonrat, P. 2015. “Physical Properties of green Composite: Low grade natural Rubber/Cassava Starch/ Palm Fiber”. KGK rubberpoint, 68(3): 37-43.
(5). Riyapana, D., Riyajan, S. and Kowalczyk, A. 2015. “Green synthesis’’ and characterization of a maleated epoxidized natural rubber latex”, Polymer Bulletin, 72: 671–691
(6). Riyajan, S., Khiatdet W., Leejarkpai, T.and Riyapana, D. 2014. Crosslinking of Epoxidized Natural Rubber with Terephthalic Acid: Effect of Terephthalic Acid and Cassava Starch. Journal of Polymer Materials. Vol. 31, No. 2, 2014, 145-158.
(7). Riyapana, D., Riyajan, S. and Tangboriboonrat, P. 2014. “Preparation of Polymer Composite: Low Natural Rubber, Cassava Starch and Palm Fiber”. Advanced Materials Research, 844: 314-317.
(8). Kaewsichana, L., Riyapana, D., Prommajana, P. and Kaewsrichanb, J. Effects of sintering temperatures on micro-morphology, mechanical properties, and bioactivity of bone scaffolds containing calcium silicate”. ScienceAsia, 37: 240–246
Conferences
1. Riyapan, D. and Juasanit, N. 2021. Effect of Bio-Polymer based on Modified Waste Palm Oil on Kinetic and Properties of Polyurethane Foams. The Conference of Industrial Engineering Network (IE NETWORK 2021). The Bed Vacation Songkhla Hotel. Songkhla. 5-7th May 2021.
2. Riyapan, D. Saetung, N. and Chatpartueangkul, C. 2020. Effect of blowing agents on properties of rigid polyurethane foams based on modified waste palm oil. The 5th Nation Science and Technology Conference -- NSCIC 2020, Rajamangala University of Technology Srivijaya. Nakhon Si Thammarat, 6 – 7 th February 2020.
3.ดวงพร ริยาพันธ์ สอาด ริยะจันทร์ และประมวล ตั้งบริบูรณ์รัตน์. 2556.ผลของการดัดแปลงพื้นผิวและขนาดอนุภาคของเส้นใยจากทางปาล์มต่อสมบัติเชิงกลของยางเชิงประกอบ.การประชุมวิชาการระดับชาติมหาวิทยาลัยทักษิณ ครั้งที่ 23.ณ ศูนย์ประชุมนานาชาติฉลองสิริราชสมบัติครบ 60 ปี อำเภอหาดใหญ่ จังหวัดสงขลา. 22-25/05/2556
4. Duangporn Riyapan, Sa-Ad Riyajan, and Pramuan Tangboriboonrat. 2556. Preparation and properties of low grade natural rubber/cassava starch/palm fiber composite. The 3rd Polymer Conference of Thailand (PCT-3). Pathumwan Princess Hotel, Bangkok. 28-29/03/ 2556.
5. Duangporn Riyapan and Sa-Ad Riyapan. 2555. Preparation and properties of low grade natural rubber and cassava starch blend. The 38th congress on science and technology of Thailand (STT38). Empress Convention Centre Chiang Mai, Thailand. The Empress International Convention Center, 17-19/10/2012.