密度和黏结性可控的PE/POE/CaCO3体系颗粒流道调整剂的制备

doi:10.19491/j.issn.1001-9278.2020.06.003

中国塑料 ›› 2020, Vol. 34 ›› Issue (6): 14-19.DOI: 10.19491/j.issn.1001-9278.2020.06.003

密度和黏结性可控的PE/POE/CaCO₃体系颗粒流道调整剂的制备

李子甲¹, 甄恩龙¹, 焦保雷¹, 钱真¹, 甄卫军², 赵玲²

^1.中国石化集团西北石油局，乌鲁木齐 830011
^2.新疆大学化学化工学院，乌鲁木齐 830046

收稿日期:2019-11-25 出版日期:2020-06-26 发布日期:2020-06-26
基金资助:
“十三五”国家重大专项“缝洞型油藏堵调及靶向酸压工艺技术”(2016ZX05014?005)

Preparation of PE/POE/CaCO₃ Composites Particles as Channel Flow Regulator with Adjustable Density and Adhesion

Zijia LI¹, Enlong ZHEN¹, Baolei JIAO¹, Zhen QIAN¹, Weijun ZHEN², Ling ZHAO²

^1.Sinopec Northwest Petroleum Bureau, Urumqi 830011, China
^2.School of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, China

Received:2019-11-25 Online:2020-06-26 Published:2020-06-26

摘要/Abstract

摘要：

采用聚乙烯（PE）、聚烯烃弹性体（POE）和碳酸钙（CaCO₃）共混制备了聚合物类颗粒流道调整剂，考察了不同CaCO₃含量和PE与POE比例条件下的PE/CaCO₃、POE/CaCO₃、PE/POE/CaCO₃三类颗粒流道调整剂的密度、熔点熔程、黏结性能、力学性能差异。结果表明，颗粒流道调整剂的密度随CaCO₃含量增加而增大，实现了1.05~1.20 g/cm³范围内可调；结合PE的熔融特性和POE的黏结性能，实现了黏结性能由PE/CaCO₃共混物熔融黏结转为POE/CaCO₃、PE/POE/CaCO₃体系软化黏结的可控调节；通过调节CaCO₃含量、PE与POE比例可以改变流道调整剂颗粒的熔点熔程和拉伸强度，相同CaCO₃含量时PE/POE/CaCO₃体系颗粒的拉伸强度随PE含量升高而增大。

关键词: 流道调整剂, 聚乙烯, 聚烯烃弹性体, 碳酸钙, 密度, 黏结性能

Abstract:

A series of polyethylene (PE)/polyolefin elastomer (POE)/CaCO₃ blending particles were prepared as a channel flow regulator for the fractured?vuggy carbonate reservoir, and the effects of CaCO₃ content and PE/POE mass ratio on the density, adhesion, melting behavior and tensile strength of the blending particles were investigated. The results indicated that the density of the channel flow regulator increased with an increase of CaCO₃ content, and the addition of CaCO₃ could meet the requirement for the adjustment of density from 1.05 to 1.20 g/cm³. The PE/POE blending particles with different contents of CaCO₃ varied from melting adhesion to softening adhesion by a combination of the relatively high temperature melting behavior of PE and the good adhesion property of POE. The melting temperature range and tensile strength of PE/POE/CaCO₃ composites were also easily manipulated by the CaCO₃content and PE/POE mass ratio. However, the tensile strength of PE/POE/CaCO₃ composites was found to increase with an increase of PE content at the same CaCO₃ content.

Key words: channel flow regulator, polyethylene, polyolefin elastomer, calcium carbonate, density, adhesion

中图分类号:

TQ323.6

李子甲, 甄恩龙, 焦保雷, 钱真, 甄卫军, 赵玲. 密度和黏结性可控的PE/POE/CaCO₃体系颗粒流道调整剂的制备[J]. 中国塑料, 2020, 34(6): 14-19.

Zijia LI, Enlong ZHEN, Baolei JIAO, Zhen QIAN, Weijun ZHEN, Ling ZHAO. Preparation of PE/POE/CaCO₃ Composites Particles as Channel Flow Regulator with Adjustable Density and Adhesion[J]. China Plastics, 2020, 34(6): 14-19.

图/表 10

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组成	密度/g·cm^-3	熔点/℃	熔程/℃	拉伸强度/MPa	颗粒黏结性能
100 %PE	0.919	112.7	104.0~116.9	23.2	熔融黏结
90 %PE+10 %CaCO₃	0.977	111.8	105.4~115.5	20.4	熔融黏结
85 %PE+15 %CaCO₃	1.009	112.2	106.5~116.0	23.1	熔融黏结
80 %PE+20 %CaCO₃	1.052	112.8	106.7~118.0	23.2	熔融黏结
75 %PE+25 %CaCO₃	1.091	113.3	106.3~117.9	23.5	熔融黏结
70 %PE+30 %CaCO₃	1.144	114.0	106.9~118.1	23.3	熔融黏结
65 %PE+35 %CaCO₃	1.170	115.1	107.0~119.9	23.4	熔融黏结
60 %PE+40 %CaCO₃	1.196	117.0	105.7~121.5	23.9	熔融黏结

组成	密度/g·cm^-3	熔点/℃	熔程/℃	拉伸强度/MPa	颗粒黏结性能
100 %PE	0.919	112.7	104.0~116.9	23.2	熔融黏结
90 %PE+10 %CaCO₃	0.977	111.8	105.4~115.5	20.4	熔融黏结
85 %PE+15 %CaCO₃	1.009	112.2	106.5~116.0	23.1	熔融黏结
80 %PE+20 %CaCO₃	1.052	112.8	106.7~118.0	23.2	熔融黏结
75 %PE+25 %CaCO₃	1.091	113.3	106.3~117.9	23.5	熔融黏结
70 %PE+30 %CaCO₃	1.144	114.0	106.9~118.1	23.3	熔融黏结
65 %PE+35 %CaCO₃	1.170	115.1	107.0~119.9	23.4	熔融黏结
60 %PE+40 %CaCO₃	1.196	117.0	105.7~121.5	23.9	熔融黏结

组成	密度/ g·cm^-3	拉伸强度/MPa	颗粒黏结性能
100 %POE	0.882	5.2	软化黏结
90 %POE+10 %CaCO₃	0.904	5.6	软化黏结
85 %POE+15 %CaCO₃	0.951	5.8	软化黏结
80 %POE+20 %CaCO₃	0.973	5.8	软化黏结
75 %POE+25 %CaCO₃	1.079	5.9	软化黏结
30 %POE+70 %CaCO₃	1.131	6.5	软化黏结
35 %POE+65 %CaCO₃	1.173	6.5	软化黏结
60 %POE+40 %CaCO₃	1.180	6.6	软化黏结

组成	密度/ g·cm^-3	拉伸强度/MPa	颗粒黏结性能
100 %POE	0.882	5.2	软化黏结
90 %POE+10 %CaCO₃	0.904	5.6	软化黏结
85 %POE+15 %CaCO₃	0.951	5.8	软化黏结
80 %POE+20 %CaCO₃	0.973	5.8	软化黏结
75 %POE+25 %CaCO₃	1.079	5.9	软化黏结
30 %POE+70 %CaCO₃	1.131	6.5	软化黏结
35 %POE+65 %CaCO₃	1.173	6.5	软化黏结
60 %POE+40 %CaCO₃	1.180	6.6	软化黏结

组成	密度/g·cm^-3	熔点/℃	熔程/℃	拉伸强度/MPa	颗粒黏结性能
54 %POE+36 %PE+10 %CaCO₃	0.942	113.0	104.9~117.3	16.0	熔融黏结
51 %POE+34 %PE+15 %CaCO₃	0.957	112.6	104.7~118.1	13.1	熔融黏结
48 %POE+32 %PE+20 %CaCO₃	0.989	112.2	104.0~116.6	12.8	熔融黏结
45 %POE+30 %PE+25 %CaCO₃	1.089	112.2	105.2~116.3	12.4	熔融黏结
42 %POE+28 %PE+30 %CaCO₃	1.110	112.0	104.1~116.5	12.5	软化黏结
39 %POE+26 %PE+35 %CaCO₃	1.156	110.8	104.0~114.7	12.4	软化黏结
36 %POE+24 %PE+40 %CaCO₃	1.199	108.9	101.1~113.5	12.4	软化黏结

密度和黏结性可控的PE/POE/CaCO₃体系颗粒流道调整剂的制备

Preparation of PE/POE/CaCO₃ Composites Particles as Channel Flow Regulator with Adjustable Density and Adhesion

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图/表 10

参考文献 17

相关文章 15

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组成	密度/g?cm^?3	熔点/℃	熔程/℃	拉伸强度/MPa	颗粒黏结性能
13 %POE+52 %PE+35 %CaCO₃	1.101	112.0	107.0~114.2	15.3	软化黏结
26 %POE+39 %PE+35 %CaCO₃	1.151	111.5	106.4~113.9	12.5	软化黏结
39 %POE+26 %PE+35 %CaCO₃	1.156	110.8	104.0~114.7	12.4	软化黏结
52 %POE+13 %PE+35 %CaCO₃	1.191	109.1	101.6~113.8	8.3	软化黏结
12 %POE+48 %PE+40 %CaCO₃	1.200	112.8	106.0~116.7	20.8	软化黏结
24 %POE+36 %PE+40 %CaCO₃	1.199	111.6	105.6~115.0	17.1	软化黏结
36 %POE+24 %PE+40 %CaCO₃	1.199	108.9	101.1~113.5	12.4	软化黏结
48 %POE+12 %PE+40 %CaCO₃	1.171	108.7	100.7~113.2	8.9	软化黏结

组成	结晶焓（△H_cc）/J·g^-1	结晶温度（T_cc）/°C
12 %POE+48 %PE+40 %CaCO₃	19.61	96.7
24 %POE+36 %PE+40 %CaCO₃	16.69	96.0
36 %POE+24 %PE+40 %CaCO₃	12.99	92.2
48 %POE+12 %PE+40 %CaCO₃	5.29	85.8

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