膦腈环核腰果酚环氧树脂的制备及表征

doi:10.3969/j.issn.0253-2417.2019.04.014

Abstract

Abstract:

A novel six armed cardanol-derived epoxy resin containing a cyclotri phosphazene core(EHCPP) was successfully synthesized by two steps. Firstly, cardanol reacted with hexachlorocyclotriphosphazene(HCCP) to produce hexasubstituted cardanol with cyclotriphosphazene core(HCPP) with NaH as acid binding agent; secondly, EHCPP was generated by epoxidation of HCPP with the H₂O₂/HCOOH system, the synthesis conditions of EHCPP were optimized by orthogonal experiment, and the intermediate product HCPP and the final product EHCPP were analyzed and characterized by FT-IR and ¹H NMR. The results showed that the optimum synthesis conditions of EHCPP were as follows n(double bond of cardanol):n(formic acid)=1.0:1.0, n(double bond of cadanol):n(H₂O₂)=1.0:1.8, catalyst TsOH 1% relative to the mass of HCPP, the reaction temperature 65℃, the reaction time 6 h, and the results of FT-IR and ¹H NMR analysis showed that the structures of HCPP and EHCPP were basically consistent with the expected structures and its epoxy value was 4.1 mmol/g.

Key words: cardanol, hexachlorocyclotriphosphazene, cardanol-based epoxy resin

CLC Number:

TQ35

Junjie LI,Yun DONG,Huaping ZHAO,Hongxia MA. Synthesis and Characterization of Cardanol-based Epoxy Resin Containing A Cyclotriphosphazene Core[J]. Chemistry and Industry of Forest Products, 2019, 39(4): 100-104.

Figures/Tables 5

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Table 1

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References 11

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组号 No.	A n(甲酸):n(双键) n(formic acid): n(double bound)	B n(H₂O₂):n(双键) n(H₂O₂): n(double bound)	C TsOH用量/% dosage of TsOH	D 反应时间/h reaction time	E 反应温度/ ℃ reaction temperature	环氧值/ (mmol·g^-1) epoxy value
1	0.3:1.0	1.0:1.0	0.50	4	50	33.38
2	0.3:1.0	1.5:1.0	0.75	6	55	34.44
3	0.3:1.0	1.8:1.0	1.00	8	60	37.00
4	0.3:1.0	2.0:1.0	1.25	10	65	31.00
5	0.4:1.0	1.0:1.0	1.25	6	60	37.69
6	0.4:1.0	1.5:1.0	1.00	4	65	39.69
7	0.4:1.0	1.8:1.0	0.75	10	50	35.19
8	0.4:1.0	2.0:1.0	0.50	8	55	30.00
9	0.5:1.0	1.0:1.0	0.75	8	65	29.00
10	0.5:1.0	1.5:1.0	0.50	10	60	29.13
11	0.5:1.0	1.8:1.0	1.25	4	55	31.75
12	0.5:1.0	2.0:1.0	1.00	6	50	32.75
13	1.0:1.0	1.0:1.0	1.00	10	55	36.13
14	1.0:1.0	1.5:1.0	1.25	8	50	35.31
15	1.0:1.0	1.8:1.0	0.50	6	65	39.50
16	1.0:1.0	2.0:1.0	0.75	4	60	32.75
k₁	33.94	34.06	33.00	34.38	34.19
k₂	35.63	34.63	32.88	36.13	33.06
k₃	30.63	35.88	36.38	32.81	34.13
k₄	35.94	31.63	33.94	32.88	34.81
R	5.31	4.25	3.50	3.31	1.75

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Synthesis and Characterization of Cardanol-based Epoxy Resin Containing A Cyclotriphosphazene Core

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