松香/生物基丙烯酸酯压敏胶的制备与性能研究

doi:10.3969/j.issn.0253-2417.2023.02.007

Abstract

Abstract:

In this work, furfural-based monomer tetrahydrofurfuryl methacrylate(THFMA), disproportionated rosin-based monomer(DRM), and oil-based monomer lauryl methacrylate(LMA) were used as raw materials to prepare a series of bio-based pressure-sensitive adhesives(PSA) based on THFMA/DRM/LMA by solution polymerization method. The effects of hard monomer and soft monomer composition ratio and the monomer molecular structure on the performance of PSA were investigated in detail. The results showed that the adhesion increased from 0.48 to 72 h with the increase of hard monomer THFMA in PSA from 10% to 50%. When the content of THFMA was 30%, the comprehensive performance of PSA was the best. The tack of THFMA30-LMA was 2.28 N, the 180° peel strength was 143.6 N/m, and the shear resistance reached 21.25 h. In addition, compared with THFMA, using DRM as hard monomer could enhance the mechanical properties of PSA and improve the thermal stability of PSA.

Key words: lauryl methacrylate, tetrahydrofurfuryl methacrylate, disproportionated rosin, pressuresensitive adhesives

CLC Number:

TQ35

Simai QI, Tong LUO, Meihong LIU, Chunpeng WANG, Fuxiang CHU, Jifu WANG. Preparation and Properties of Pressure Sensitive Adhesives Derived from Rosin Bio-based Acrylate[J]. Chemistry and Industry of Forest Products, 2023, 43(2): 49-55.

Figures/Tables 10

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References 15

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样品samples	硬单体/g hard monomer		软单体(LMA)/g soft monomer	T_g/ ℃
样品samples	THFMA	DRM	软单体(LMA)/g soft monomer	T_g/ ℃
THFMA10-LMA	5	0	44.5	-54.50
THFMA20-LMA	10	0	39.5	-44.10
THFMA30-LMA	15	0	34.5	-32.70
THFMA40-LMA	20	0	29.5	-20.00
THFMA50-LMA	25	0	24.5	-5.90
DRM10-LMA	0	5	44.5	-56.11
DRM20-LMA	0	10	39.5	-47.55
DRM30-LMA	0	15	34.5	-38.28
DRM40-LMA	0	20	29.5	-28.22
DRM50-LMA	0	25	24.5	-17.26

样品samples	M_w	M_n	M_w/M_n
THFMA10-LMA	129 110	50 854	2.539
THFMA20-LMA	129 805	55 619	2.334
THFMA30-LMA	105 646	44 258	2.387
THFMA40-LMA	79 160	39 348	2.012
THFMA50-LMA	83 310	38 668	2.154
DRM10-LMA	115 007	38 823	2.962
DRM20-LMA	126 338	47 288	2.672
DRM30-LMA	141 947	33 335	4.258
DRM40-LMA	143 427	35 731	4.014
DRM50-LMA	117 453	32 409	3.624

样品samples	T_5%/℃	T_50%/℃	T_max/℃
THFMA10-LMA	274.2	359.2	364.2
THFMA30-LMA	271.1	354.2	364.2
THFMA50-LMA	271.7	354.1	364.2
DRM10-LMA	263.4	375.9	383.4
DRM30-LMA	255.9	383.9	395.9
DRM50-LMA	233.4	385.4	398.4

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Preparation and Properties of Pressure Sensitive Adhesives Derived from Rosin Bio-based Acrylate

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