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抗靜電劑對滌綸和錦綸織物的抗靜電效果

時間:15-07-10 11:32

本文選用的(de)(de)(de)(de)抗(kang)靜(jing)電(dian)(dian)劑TF-480是聚酯聚醚(mi)(mi)類聚合物,分(fen)子結構中(zhong)的(de)(de)(de)(de)對(dui)苯(ben)二(er)甲酸乙二(er)醇鏈(lian)段與滌綸(lun)大分(fen)子結構相似,在(zai)高(gao)溫下(xia),可進(jin)入聚酯的(de)(de)(de)(de)微軟化(hua)纖維表面而與聚酯大分(fen)子產生共(gong)結晶,固著(zhu)在(zai)滌綸(lun)上獲得耐久性:同時,其分(fen)子結構中(zhong)含有(you)聚醚(mi)(mi)鏈(lian)部分(fen),具有(you)吸(xi)濕性,可提高(gao)織(zhi)(zhi)物的(de)(de)(de)(de)含濕量,增加(jia)導電(dian)(dian)性,加(jia)快靜(jing)電(dian)(dian)荷的(de)(de)(de)(de)逸(yi)散速度,賦予織(zhi)(zhi)物一定的(de)(de)(de)(de)抗(kang)靜(jing)電(dian)(dian)能力,同時使織(zhi)(zhi)物具有(you)易去污性能[11]。本文采用該(gai)整理劑對(dui)滌綸(lun)、錦(jin)綸(lun)織(zhi)(zhi)物進(jin)行整理,優化(hua)加(jia)工(gong)工(gong)藝,以提高(gao)織(zhi)(zhi)物的(de)(de)(de)(de)抗(kang)靜(jing)電(dian)(dian)性能。

1 實(shi)驗部分

1.1材料與儀器

染色(se)春亞紡(fang)(滌(di)綸(lun))和染色(se)塔絲絨(錦綸(lun))(吳江(jiang)盛(sheng)虹印染公司(si)提供),抗靜電劑(ji)TF-480,三聚(ju)氰胺(an), MgCl2,純堿,洗(xi)衣粉(fen)(市(shi)售)。

氣壓(ya)式軋(ya)車,小定型烘干(gan)機(ji),YG342織物(wu)感(gan)應式靜電測試(shi)儀,U測色儀,家用洗衣機(ji)。

1.2 實驗工(gong)藝(yi)

1.2.1 工(gong)藝流程

一(yi)浸一(yi)軋(軋液率(lv)80%)→預烘(hong)(hong)(90~95℃×1min)→焙烘(hong)(hong)→皂洗(xi)→水洗(xi)→烘(hong)(hong)干(gan)→抗靜電織物(wu)。

1.2.2 皂洗(xi)條件(jian)

洗衣粉(fen)2 g/L,純堿(jian)2 g/L,40℃,5 min,浴比 1:30,然后在清(qing)水中漂洗3次(ci)。為檢(jian)測整理織(zhi)物(wu)抗靜(jing)電(dian)的耐久性,以上操(cao)作重復20次(ci),烘干后得到抗靜(jing)電(dian)織(zhi)物(wu)。

1.2.3 織物抗靜電性測試

溫度(20±2)℃,相對濕度(35±2)%,平衡3h,測試靜電電壓(ya)和半衰期。

1.2.4織(zhi)物K/S值(zhi)測試

采用D65光源和(he)10°視(shi)場(chang),測試(shi)織物K/S值。

2結果(guo)與(yu)討論

2.1 未經抗靜電劑整理織物的性能

未(wei)經抗靜(jing)電(dian)劑整(zheng)理織(zhi)物的靜(jing)電(dian)性能(neng)和K/S值(zhi)測試結果見(jian)表1。

表1 未整理織物的靜(jing)電(dian)性能和(he)K/S值

整理織物 靜電電壓峰值/V 半衰期/s K/S值
洗前 洗后
染色春亞紡 染色塔絲絨 883
1221
8.3
24.0
4.8910
4.9001
3.4949
3.6199

由表1可知,未經整理織(zhi)物的靜電電壓和半(ban)衰(shuai)期(qi)都(dou)很高,如直接(jie)服(fu)用(yong)會產生嚴重的靜電現象。水洗(xi)后(hou)的K/S值(zhi)低于水洗(xi)前的,主要是因為織(zhi)物褪色的緣(yuan)故。

2.2 抗靜電劑TF-480對(dui)織物抗靜電整理

采(cai)用(yong)單因素法,用(yong)抗(kang)(kang)靜(jing)電劑TF-480分(fen)別對染色(se)春亞(ya)紡和(he)染色(se)塔絲絨進行處理,測試其整(zheng)理效果,優化抗(kang)(kang)靜(jing)電劑質量(liang)濃度、焙烘溫度、處理時間和(he)交聯劑用(yong)量(liang)。

2.2.1抗靜電劑質(zhi)量濃(nong)度(du)對(dui)抗靜電性能的影響

采用5種不同質(zhi)量濃度的TF-480對織物進行處理,經浸軋和180℃×30s整理后進行測試,結果見表(biao)2。

表2 抗(kang)靜電(dian)劑質量濃度對織物抗(kang)靜電(dian)性能的(de)影響

質量濃度
/(g·L-1)
染色春亞紡 染色塔絲絨
靜電電壓峰值/V 半衰期/ s K/S值 靜電電壓 峰值/V 半衰期/ s K/S值
洗前 洗后 洗前 洗后
20
30
40
50
60
4
3
3
3
3
0.09
0.08
0.08
0.09
0.09
5.0770
5.2357
5.2056
5.3247
5.3911
5.0377
5.1245
5.0728
5.1050
5.0505
695
618
659
634
616
1.95
2.00
1.01
1.08
0.99
3.4953
3.4910
3.4722
3.5633
3.5361
3.4789
3.4004
3.4619
3.5503
3.5273

由表(biao)2可(ke)知,用抗(kang)靜(jing)(jing)(jing)(jing)(jing)(jing)電(dian)(dian)(dian)劑TF-480處(chu)理(li)(li)(li)(li)(li)的(de)(de)織(zhi)(zhi)(zhi)物(wu)(wu)抗(kang)靜(jing)(jing)(jing)(jing)(jing)(jing)電(dian)(dian)(dian)效果相當明(ming)顯(xian)。當用質量(liang)(liang)濃(nong)度(du)(du)為30~40g/L的(de)(de)抗(kang)靜(jing)(jing)(jing)(jing)(jing)(jing)電(dian)(dian)(dian)劑處(chu)理(li)(li)(li)(li)(li)滌綸織(zhi)(zhi)(zhi)物(wu)(wu)后(hou)(hou)(hou)(hou),靜(jing)(jing)(jing)(jing)(jing)(jing)電(dian)(dian)(dian)電(dian)(dian)(dian)壓(ya)和(he)半衰(shuai)期最低,故(gu)質量(liang)(liang)濃(nong)度(du)(du)選擇30g/L為宜。對整(zheng)理(li)(li)(li)(li)(li)前后(hou)(hou)(hou)(hou)滌綸織(zhi)(zhi)(zhi)物(wu)(wu)的(de)(de)K/S值(zhi)(zhi)進(jin)行比較發現,不管水洗(xi)前后(hou)(hou)(hou)(hou),整(zheng)理(li)(li)(li)(li)(li)后(hou)(hou)(hou)(hou)織(zhi)(zhi)(zhi)物(wu)(wu)的(de)(de)K/S值(zhi)(zhi)均增加。對錦綸織(zhi)(zhi)(zhi)物(wu)(wu)而言,用質量(liang)(liang)濃(nong)度(du)(du)為60g/L的(de)(de)抗(kang)靜(jing)(jing)(jing)(jing)(jing)(jing)電(dian)(dian)(dian)劑處(chu)理(li)(li)(li)(li)(li)的(de)(de)織(zhi)(zhi)(zhi)物(wu)(wu)其靜(jing)(jing)(jing)(jing)(jing)(jing)電(dian)(dian)(dian)電(dian)(dian)(dian)壓(ya)和(he)半衰(shuai)期最低,但考慮到成本問題(ti),經(jing)30g/L抗(kang)靜(jing)(jing)(jing)(jing)(jing)(jing)電(dian)(dian)(dian)劑處(chu)理(li)(li)(li)(li)(li)的(de)(de)織(zhi)(zhi)(zhi)物(wu)(wu)靜(jing)(jing)(jing)(jing)(jing)(jing)電(dian)(dian)(dian)電(dian)(dian)(dian)壓(ya)較低,經(jing)40g/L抗(kang)靜(jing)(jing)(jing)(jing)(jing)(jing)電(dian)(dian)(dian)劑處(chu)理(li)(li)(li)(li)(li)的(de)(de)織(zhi)(zhi)(zhi)物(wu)(wu)半衰(shuai)期較低,所以質量(liang)(liang)濃(nong)度(du)(du)可(ke)選擇30~40g/L。對整(zheng)理(li)(li)(li)(li)(li)前后(hou)(hou)(hou)(hou)錦綸織(zhi)(zhi)(zhi)物(wu)(wu)的(de)(de)K/S值(zhi)(zhi)進(jin)行比較發現,不管水洗(xi)前后(hou)(hou)(hou)(hou),整(zheng)理(li)(li)(li)(li)(li)后(hou)(hou)(hou)(hou)織(zhi)(zhi)(zhi)物(wu)(wu)的(de)(de)K/S值(zhi)(zhi)均降低,織(zhi)(zhi)(zhi)物(wu)(wu)表(biao)觀顏色深(shen)度(du)(du)下降,這可(ke)能是因為抗(kang)靜(jing)(jing)(jing)(jing)(jing)(jing)電(dian)(dian)(dian)劑的(de)(de)加入(ru)影(ying)響了染(ran)料的(de)(de)發色。

2.2.2 焙烘溫度對織物(wu)抗靜(jing)電(dian)性能的影響

根據2.2.1測試情況(kuang),選擇抗靜(jing)電劑質量濃度為(wei)(wei)30g/L,焙(bei)烘(hong)(hong)時間為(wei)(wei)30s。測試焙(bei)烘(hong)(hong)溫度對抗靜(jing)電為(wei)(wei)30g/L,焙(bei)烘(hong)(hong)時間為(wei)(wei)30s,測試焙(bei)烘(hong)(hong)溫度對抗靜(jing)電性能的(de)影響,結果見(jian)表3。

由表3可知(zhi),滌綸織(zhi)物經(jing)150~190 ℃焙(bei)烘(hong)(hong)后(hou),靜(jing)電(dian)(dian)電(dian)(dian)壓峰值(zhi)和半衰(shuai)期均很小,考慮到(dao)焙(bei)烘(hong)(hong)溫度是影(ying)響整理效(xiao)果的一個(ge)重要因素(su),溫度過(guo)低,反(fan)應速(su)率低,交聯反(fan)應不(bu)完全,溫度過(guo)高,手(shou)感變差(cha),織(zhi)物易受損,因此,焙(bei)烘(hong)(hong)溫度選擇160~170℃為宜。就錦綸織(zhi)物而言,經(jing)180℃爐烘(hong)(hong)的織(zhi)物,其靜(jing)電(dian)(dian)電(dian)(dian)壓最低,半衰(shuai)期也較低,考慮到(dao)150~190℃圍內半衰(shuai)期變化(hua)不(bu)大,所以(yi)焙(bei)烘(hong)(hong)溫度以(yi)180℃為宜。

表3 焙烘溫度對織(zhi)物抗靜電性能(neng)的(de)影響

質量濃度/(g·L-1) 染色春亞紡 染色塔絲絨
靜電電壓峰值/V 半衰期/ s K/S值 靜電電壓 峰值/V 半衰期/ s K/S值
洗前 洗后 洗前 洗后
150 160 170 180 190 3 3 3 3 3 0.08
0.10
0.08
0.10
0.10
5.1553
5.2658
5.2502
5.4003
5.0752
4.9886
5.0748
4.9737
5.1172
5.0543
851
753
870
776
942
1.67
1.71
1.71
1.71
1.73
3.4715
3.4704
3.5243
3.5130
3.5627
3.4082
3.4864
3.5244
3.5006
3.5627

2.2.3焙(bei)烘(hong)時間對織(zhi)物抗靜電性能的影響

根據2.2.1、2.2.2小節的測試情況,選擇(ze)質量濃度(du)為30g/L的抗靜電劑,滌綸織(zhi)物(wu)(wu)焙烘(hong)溫(wen)(wen)度(du)選擇(ze) 170℃,錦綸織(zhi)物(wu)(wu)焙烘(hong)溫(wen)(wen)度(du)選擇(ze)180℃,測試不(bu)同焙烘(hong)時間對織(zhi)物(wu)(wu)抗靜電性能的影響,實驗結果(guo)見表4。

表(biao)4 焙烘時(shi)間對織物抗靜電(dian)性能的(de)影響

質量濃度
/(g·L-1)
染色春亞紡 染色塔絲絨
靜電電壓峰值/V 半衰期/ s K/S值 靜電電壓 峰值/V 半衰期/ s K/S值
洗前 洗后 洗前 洗后
20
30
40
50
60
3
3
3
3
3
0.08
0.07
0.07
0.07
0.07
5.1168
5.3676
5.2316
5.1417
5.2323
4.8970
5.1033
5.0300
4.9570
5.0673
839
813
768
861
787
1.98
2.01
1.88
1.99
1.97
3.5002
3.5636
3.5137
3.5245
3.5751
3.5000
3.5136
3.5025
3.5189
3.5092

由表(biao)4可(ke)知,焙(bei)烘(hong)(hong)時(shi)間(jian)對滌綸織物靜電(dian)電(dian)壓(ya)和半衰(shuai)期(qi)影響不(bu)(bu)大(da)。考慮(lv)到(dao)焙(bei)烘(hong)(hong)時(shi)間(jian)過(guo)短,可(ke)能造成反應不(bu)(bu)完全;時(shi)間(jian)過(guo)長(chang),手感(gan)變粗糙,綜合各因(yin)素選擇30s為宜。就錦綸織物而言,當(dang)焙(bei)烘(hong)(hong)時(shi)間(jian)為40s時(shi),靜電(dian)電(dian)壓(ya)和半衰(shuai)期(qi)最低,所以焙(bei)烘(hong)(hong)時(shi)間(jian)以40s為宜。

通過對抗(kang)靜(jing)電劑濃度、焙(bei)烘溫(wen)度和時間的單因素實驗,得到整(zheng)理(li)滌綸織物較(jiao)(jiao)合(he)適的工藝(yi)(yi):整(zheng)理(li)劑質量(liang)濃度為30g/L,170℃×30s;整(zheng)理(li)錦綸織物較(jiao)(jiao)合(he)適的工藝(yi)(yi):整(zheng)理(li)劑質量(liang)濃度為30~40g/L,180℃×40s。

2.2.4 交(jiao)聯劑質量濃(nong)度對(dui)織物抗靜電性能的影響

以三聚氰胺為交聯劑(ji)、MgCl2為催化劑(ji),測試其對織(zhi)(zhi)物(wu)抗靜電(dian)性能(neng)的影響,實(shi)驗條件為:抗靜電(dian)劑(ji)質(zhi)量濃(nong)度30g/L,滌(di)綸織(zhi)(zhi)物(wu)170℃×30s,錦綸織(zhi)(zhi)物(wu) 180℃×30 s,結果(guo)見表5。

表5 交聯劑質量濃度對織物(wu)抗靜電性能的影響

質量濃度
/(g·L-1)
染色春亞紡 染色塔絲絨
靜電電壓峰值/V 半衰期/ s K/S值 靜電電壓 峰值/V 半衰期/ s K/S值
洗前 洗后 洗前 洗后
2
4
6
8
10
3
3
3
3
3
0.05
0.09
0.10
0.09
0.08
5.3489
5.3746
5.4368
5.4247
5.5048
5.0763
5.1298
5.1291
5.1354
4.9997
918
826
676
754
789
1.68
1.88
1.00
1.11
1.20
3.5779
3.5836
3.6281
3.6293
3.5269
3.5625
3.5307
3.5228
3.5587
3.5053

由表5可(ke)(ke)(ke)知,對(dui)滌(di)綸(lun)(lun)織物(wu)來說,加入交(jiao)(jiao)(jiao)聯(lian)劑(ji)對(dui)降低靜(jing)(jing)電(dian)(dian)電(dian)(dian)壓(ya)峰值(zhi)和(he)半衰期作用不大,因此,整(zheng)理滌(di)綸(lun)(lun)織物(wu)時(shi)可(ke)(ke)(ke)不用交(jiao)(jiao)(jiao)聯(lian)劑(ji)。原(yuan)因可(ke)(ke)(ke)能(neng)是抗靜(jing)(jing)電(dian)(dian)劑(ji)TF-480能(neng)與滌(di)綸(lun)(lun)分子(zi)結合,交(jiao)(jiao)(jiao)聯(lian)劑(ji)的加入不起作用。而對(dui)錦(jin)(jin)綸(lun)(lun)織物(wu)而言,當(dang)交(jiao)(jiao)(jiao)聯(lian)劑(ji)質(zhi)量(liang)濃(nong)度(du)為6sL時(shi),能(neng)降低靜(jing)(jing)電(dian)(dian)電(dian)(dian)壓(ya)峰值(zhi)和(he)半衰期,抗靜(jing)(jing)電(dian)(dian)性最好,這可(ke)(ke)(ke)能(neng)是因為抗靜(jing)(jing)電(dian)(dian)劑(ji)TF-480通過交(jiao)(jiao)(jiao)聯(lian)劑(ji)與錦(jin)(jin)綸(lun)(lun)發生結合,提高了(le)抗靜(jing)(jing)電(dian)(dian)劑(ji)在錦(jin)(jin)綸(lun)(lun)上的牢度(du),從而可(ke)(ke)(ke)增(zeng)加其耐久性。

3 結論

1)抗靜電劑(ji)(ji)TF-480對滌綸(lun)(lun)和錦(jin)綸(lun)(lun)織(zhi)物均(jun)有較好的抗靜電效果,且耐久性(xing)良好。滌綸(lun)(lun)織(zhi)物的整(zheng)理工(gong)藝:整(zheng)理劑(ji)(ji)質量濃度(du)為(wei)30g/L,170℃×30s;錦(jin)綸(lun)(lun)織(zhi)物的整(zheng)理工(gong)藝:整(zheng)理劑(ji)(ji)質量濃度(du)為(wei)30~40g/L,交聯劑(ji)(ji)質量濃度(du)為(wei)6 g/L,180℃×40s。

2)從分(fen)子(zi)結(jie)構(gou)分(fen)析(xi),由于(yu)抗(kang)(kang)靜(jing)電(dian)(dian)(dian)(dian)(dian)劑(ji)(ji)TF-480和滌(di)綸分(fen)子(zi)的(de)結(jie)構(gou)相似(si),故該抗(kang)(kang)靜(jing)電(dian)(dian)(dian)(dian)(dian)劑(ji)(ji)能與(yu)滌(di)綸分(fen)子(zi)較好(hao)結(jie)合,在整理中可不加交聯(lian)劑(ji)(ji):而錦綸為(wei)聚(ju)(ju)酰胺高(gao)分(fen)子(zi)化合物(wu),與(yu)抗(kang)(kang)靜(jing)電(dian)(dian)(dian)(dian)(dian)劑(ji)(ji)TF-480結(jie)構(gou)有差異(yi),抗(kang)(kang)靜(jing)電(dian)(dian)(dian)(dian)(dian)劑(ji)(ji)與(yu)錦綸纖維的(de)結(jie)合力不強,為(wei)增加抗(kang)(kang)靜(jing)電(dian)(dian)(dian)(dian)(dian)劑(ji)(ji)牢(lao)度(du),提(ti)高(gao)抗(kang)(kang)靜(jing)電(dian)(dian)(dian)(dian)(dian)的(de)耐久性(xing),可加入交聯(lian)劑(ji)(ji)三聚(ju)(ju)氰(qing)胺,并以MgCl2為(wei)催化劑(ji)(ji)。

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