Study on migration behavior of phthalate esters from PVC cling films

doi:10.19491/j.issn.1001-9278.2023.08.012

Abstract

Abstract:

The migration of phthalate esters from cling films and their migration behavior to simulants were analyzed using the test method in accordance with GB 31604.30—2016. The effects of temperature， time， and food simulants on the migration behavior of phthalate esters were investigated. The results indicated that for all three commercially available food⁃grade poly（vinyl chloride）（PVC） cling films， the migration of di（2⁃ethylhexyl） phthalate （DEHP） was detected. For the same food simulant， the migration of DEHP in PVC cling films increased with an increase in temperature and time at different experimental temperatures and times. For different food simulants， the migration of DEHP in PVC cling films in oil simulants and high alcohol simulants was greater than that in aqueous and acid simulants at the same temperature and time.

Key words: phthalate, poly（vinyl chloride）, migration behavior, food simulant

CLC Number:

TQ325

ZHOU Yingxin, WENG Yunxuan, LYU Yihui. Study on migration behavior of phthalate esters from PVC cling films[J]. China Plastics, 2023, 37(8): 86-92.

Figures/Tables 7

References 25

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序号	化合物	线性方程	线性范围/mg•L^-1	LOD/mg•kg^-1	相关系数
1	DMP	y=3.71×10⁷x+3.30×10⁷	0.1~10	0.002 7	0.999 2
2	DEP	y=3.25×10⁷x+3.87×10⁷	0.1~10	0.002 5	0.999 2
3	DAP	y=2.25×10⁷x+6.99×10⁶	0.1~10	0.002 5	0.999 3
4	DIBP	y=3.83×10⁷x+4.89×10⁷	0.1~10	0.002 8	0.999 4
5	DBP	y=2.42×10⁷x+2.44×10⁹	0.1~10	0.002 4	0.999 5
6	DMEP	y=1.08×10⁷x-3.74×10⁶	0.1~10	0.002 5	0.999 3
7	BMPP	y=5.52×10⁷x+1.04×10⁷	0.1~10	0.002 4	0.999 2
8	DEEP	y=1.81×10⁷x-1.27×10⁷	0.1~10	0.002 5	0.999 1
9	DPP	y=1.23×10⁸x+6.77×10⁷	0.1~10	0.001 4	0.999 3
10	DHXP	y=6.59×10⁷x+7.58×10⁷	0.1~10	0.001 1	0.999 2
11	BBP	y=4.65×10⁷x+1.07×10⁷	0.1~10	0.001 3	0.999 2
12	DBEP	y=2.62×10⁷x-2.55×10⁷	0.1~10	0.001 5	0.999 0
13	DCHP	y=5.34×10⁷x-2.81×10⁷	0.1~10	0.002 2	0.999 4
14	DEHP	y=2.33×10⁵x+9.57×10⁵	0.1~10	0.002 4	0.999 6
15	DPhP	y=5.66×10⁷x+2.47×10⁷	0.1~10	0.001 5	0.999 3
16	DINP	y=5.94×10⁷x+1.31×10⁷	0.1~10	0.002 3	0.999 2
17	DNOP	y=6.37×10⁷x+1.50×10⁷	0.1~10	0.001 5	0.999 1
18	DNP	y=7.42×10⁷x-6.41×10⁷	0.1~10	0.002 6	0.999 0

序号	化合物	线性方程	线性范围/mg•L^-1	LOD/mg•kg^-1	相关系数
1	DMP	y=3.71×10⁷x+3.30×10⁷	0.1~10	0.002 7	0.999 2
2	DEP	y=3.25×10⁷x+3.87×10⁷	0.1~10	0.002 5	0.999 2
3	DAP	y=2.25×10⁷x+6.99×10⁶	0.1~10	0.002 5	0.999 3
4	DIBP	y=3.83×10⁷x+4.89×10⁷	0.1~10	0.002 8	0.999 4
5	DBP	y=2.42×10⁷x+2.44×10⁹	0.1~10	0.002 4	0.999 5
6	DMEP	y=1.08×10⁷x-3.74×10⁶	0.1~10	0.002 5	0.999 3
7	BMPP	y=5.52×10⁷x+1.04×10⁷	0.1~10	0.002 4	0.999 2
8	DEEP	y=1.81×10⁷x-1.27×10⁷	0.1~10	0.002 5	0.999 1
9	DPP	y=1.23×10⁸x+6.77×10⁷	0.1~10	0.001 4	0.999 3
10	DHXP	y=6.59×10⁷x+7.58×10⁷	0.1~10	0.001 1	0.999 2
11	BBP	y=4.65×10⁷x+1.07×10⁷	0.1~10	0.001 3	0.999 2
12	DBEP	y=2.62×10⁷x-2.55×10⁷	0.1~10	0.001 5	0.999 0
13	DCHP	y=5.34×10⁷x-2.81×10⁷	0.1~10	0.002 2	0.999 4
14	DEHP	y=2.33×10⁵x+9.57×10⁵	0.1~10	0.002 4	0.999 6
15	DPhP	y=5.66×10⁷x+2.47×10⁷	0.1~10	0.001 5	0.999 3
16	DINP	y=5.94×10⁷x+1.31×10⁷	0.1~10	0.002 3	0.999 2
17	DNOP	y=6.37×10⁷x+1.50×10⁷	0.1~10	0.001 5	0.999 1
18	DNP	y=7.42×10⁷x-6.41×10⁷	0.1~10	0.002 6	0.999 0

目标化合物	样品编号及材质
目标化合物	1^#PVC	2^#PVC	3^#PVC	4^#PVDC	5^#PVDC	6^#PE	7^#PE
DMP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DEP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DAP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DIBP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DBP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DMEP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
BMPP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DEEP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DPP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DHXP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
BBP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DBEP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DCHP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DEHP	1.36±0.62	0.29±0.02	0.44±0.02	0.17±0.01	n.d.	n.d.	0.15±0.01
DPhP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DINP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DNOP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DNP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.

目标化合物	样品编号及材质
目标化合物	1^#PVC	2^#PVC	3^#PVC	4^#PVDC	5^#PVDC	6^#PE	7^#PE
DMP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DEP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DAP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DIBP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DBP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DMEP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
BMPP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DEEP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DPP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DHXP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
BBP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DBEP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DCHP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DEHP	1.36±0.62	0.29±0.02	0.44±0.02	0.17±0.01	n.d.	n.d.	0.15±0.01
DPhP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DINP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DNOP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.
DNP	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.	n.d.

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