Developing thermal therapy nasal strip based on paraffin/SEBS composite phase change material

doi:10.19799/j.cnki.2095-4239.2021.0040

Abstract

Abstract:

Using thermoplastic elastomers(SEBS)as the base, four different paraffin(OP44E, Paraffin46-48, OP50E, and OP55E)phase change materials were prepared. These composite materials produced thermal therapy nasal strips with different phase change temperatures that were obtained by physical adsorption and a flat-plate vulcanization system. The hardness, phase change temperature, phase change latent heat of the composite materials, and temperature effects of thermal therapy nasal strips were measured. The results demonstrate that the hardness of the four types of thermal therapy nasal strips are close to 0 HA in the state above the phase change temperature and are in a very soft state such that the thermal therapy nasal strip and one's nose could fit closely together. The phase change temperature is comparable with that of paraffin, and the phase change value is >135 J·g^-1. It is a convenient and fast approach to heat the thermal therapy nasal strip from room temperature to 60 ℃ in only 1.5 min under 80 ℃ water temperature conditions. The appropriate phase change temperature of the thermal therapy nasal strip is from 46 to 48 ℃. Paraffin 46—48/SEBS thermal therapy nasal strips with a thickness of 10 mm can meet the requirements of heat therapy lasting 15—20 min with the nasal temperature maintained at>43 ℃. This study effectively improved the temperature and time problems existing in the treatment of rhinitis symptoms with localized heat therapy and promoted the application of effective heat therapy in rhinitis treatment.

Key words: phase change material, thermal therapy, nasal strip

CLC Number:

TK 02

Yi WU, Chao ZHANG, Ziye LING, Zhengguo ZHANG, Xiaoming FANG. Developing thermal therapy nasal strip based on paraffin/SEBS composite phase change material[J]. Energy Storage Science and Technology, 2021, 10(4): 1285-1291.

Figures/Tables 9

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样品	熔化温度/℃	熔化焓/J·g^－1	凝固温度/℃	凝固焓/J·g^－1
OP44E	41.7	243.7	43.3	243.4
OP44E/SEBS	38.7	173.2	41.6	172.8
P46-48	44.0	192.1	48.3	191.9
P46-48/SEBS	42.9	137.5	47.8	136.4
OP50E	51.0	194.1	52.8	193.7
OP50E/SEBS	47.4	144.6	51.4	144.2
OP55E	49.5	190.9	55.4	187.2
OP55E/SEBS	47.0	143.8	53.9	141.8

样品	厚度 / mm	时间 / s
OP44E/SEBS	5	162
P46-48/SEBS	5	543
OP50E/SEBS	5	516
OP55E/SEBS	5	444

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