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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(wen)選用(yong)(yong)的(de)抗(kang)靜電(dian)劑(ji)TF-480是聚(ju)(ju)酯(zhi)聚(ju)(ju)醚類(lei)聚(ju)(ju)合物(wu),分(fen)子(zi)(zi)結(jie)構中的(de)對(dui)苯二甲酸乙二醇鏈(lian)段與滌綸(lun)大(da)分(fen)子(zi)(zi)結(jie)構相似(si),在(zai)高溫下(xia),可進(jin)入(ru)聚(ju)(ju)酯(zhi)的(de)微軟化纖(xian)維(wei)表(biao)面而(er)與聚(ju)(ju)酯(zhi)大(da)分(fen)子(zi)(zi)產生共結(jie)晶,固著在(zai)滌綸(lun)上獲得耐久(jiu)性(xing):同(tong)時(shi),其分(fen)子(zi)(zi)結(jie)構中含(han)有聚(ju)(ju)醚鏈(lian)部分(fen),具有吸濕(shi)性(xing),可提高織(zhi)(zhi)物(wu)的(de)含(han)濕(shi)量(liang),增加導電(dian)性(xing),加快靜電(dian)荷的(de)逸散速(su)度(du),賦予織(zhi)(zhi)物(wu)一(yi)定的(de)抗(kang)靜電(dian)能(neng)力,同(tong)時(shi)使織(zhi)(zhi)物(wu)具有易去(qu)污性(xing)能(neng)[11]。本文(wen)采用(yong)(yong)該整理(li)(li)劑(ji)對(dui)滌綸(lun)、錦綸(lun)織(zhi)(zhi)物(wu)進(jin)行整理(li)(li),優(you)化加工工藝,以提高織(zhi)(zhi)物(wu)的(de)抗(kang)靜電(dian)性(xing)能(neng)。

1 實驗部分

1.1材料與儀器

染(ran)色春(chun)亞紡(滌(di)綸(lun))和染(ran)色塔絲絨(錦綸(lun))(吳江(jiang)盛(sheng)虹印染(ran)公司提供),抗靜電劑TF-480,三聚氰胺, MgCl2,純(chun)堿(jian),洗衣粉(市售)。

氣壓式軋車,小(xiao)定型烘(hong)干機(ji),YG342織物感應式靜電(dian)測試(shi)儀,U測色儀,家用洗衣(yi)機(ji)。

1.2 實驗工藝

1.2.1 工藝(yi)流程

一(yi)浸一(yi)軋(ya)(ya)(軋(ya)(ya)液率80%)→預烘(90~95℃×1min)→焙烘→皂洗→水洗→烘干(gan)→抗靜電織物。

1.2.2 皂(zao)洗條件

洗(xi)衣粉(fen)2 g/L,純(chun)堿2 g/L,40℃,5 min,浴比 1:30,然后在清(qing)水中漂洗(xi)3次。為(wei)檢(jian)測整理織物(wu)(wu)抗(kang)靜電(dian)的耐久性(xing),以(yi)上操作(zuo)重復20次,烘干后得(de)到抗(kang)靜電(dian)織物(wu)(wu)。

1.2.3 織物抗靜電性測(ce)試(shi)

溫度(20±2)℃,相對濕度(35±2)%,平(ping)衡(heng)3h,測(ce)試靜電電壓和半衰期。

1.2.4織(zhi)物K/S值(zhi)測(ce)試

采用D65光(guang)源和10°視場,測試織物(wu)K/S值。

2結果與討論

2.1 未經抗靜電劑(ji)整理(li)織物的(de)性能

未經抗靜電(dian)劑整理織(zhi)物(wu)的靜電(dian)性(xing)能(neng)和K/S值測試(shi)結(jie)果(guo)見(jian)表1。

表1 未整理織物(wu)的(de)靜(jing)電性能和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(ke)知,未(wei)經整理織(zhi)(zhi)物的靜(jing)電(dian)電(dian)壓(ya)和(he)半衰期都很(hen)高,如直接服用會產生嚴重的靜(jing)電(dian)現象(xiang)。水洗(xi)后(hou)的K/S值低于水洗(xi)前的,主(zhu)要是因為織(zhi)(zhi)物褪色的緣(yuan)故。

2.2 抗(kang)靜電劑TF-480對織物抗(kang)靜電整理

采用(yong)單(dan)因素(su)法,用(yong)抗(kang)靜電劑TF-480分(fen)別對染(ran)(ran)色春(chun)亞紡和染(ran)(ran)色塔絲絨進行處(chu)理,測試其整(zheng)理效果,優化抗(kang)靜電劑質量濃度(du)、焙烘(hong)溫度(du)、處(chu)理時間(jian)和交(jiao)聯劑用(yong)量。

2.2.1抗靜電劑(ji)質(zhi)量濃度(du)對抗靜電性能的影(ying)響

采(cai)用(yong)5種不同質量濃度(du)的TF-480對織物進行(xing)處理,經浸軋和180℃×30s整理后進行(xing)測試,結果(guo)見表2。

表2 抗(kang)靜電劑質量濃度對織物抗(kang)靜電性能的影(ying)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2可(ke)知,用抗靜電(dian)(dian)劑(ji)(ji)(ji)TF-480處理(li)(li)(li)(li)的(de)(de)(de)織(zhi)(zhi)(zhi)物(wu)(wu)(wu)(wu)(wu)抗靜電(dian)(dian)效果相當(dang)明顯。當(dang)用質(zhi)(zhi)量濃(nong)(nong)度為(wei)(wei)30~40g/L的(de)(de)(de)抗靜電(dian)(dian)劑(ji)(ji)(ji)處理(li)(li)(li)(li)滌(di)綸(lun)織(zhi)(zhi)(zhi)物(wu)(wu)(wu)(wu)(wu)后,靜電(dian)(dian)電(dian)(dian)壓和半衰(shuai)期(qi)最低(di)(di)(di)(di),故(gu)質(zhi)(zhi)量濃(nong)(nong)度選(xuan)擇30g/L為(wei)(wei)宜。對整理(li)(li)(li)(li)前(qian)(qian)后滌(di)綸(lun)織(zhi)(zhi)(zhi)物(wu)(wu)(wu)(wu)(wu)的(de)(de)(de)K/S值進(jin)行(xing)比(bi)較(jiao)發現,不管水(shui)洗(xi)前(qian)(qian)后,整理(li)(li)(li)(li)后織(zhi)(zhi)(zhi)物(wu)(wu)(wu)(wu)(wu)的(de)(de)(de)K/S值均增加。對錦(jin)綸(lun)織(zhi)(zhi)(zhi)物(wu)(wu)(wu)(wu)(wu)而(er)言,用質(zhi)(zhi)量濃(nong)(nong)度為(wei)(wei)60g/L的(de)(de)(de)抗靜電(dian)(dian)劑(ji)(ji)(ji)處理(li)(li)(li)(li)的(de)(de)(de)織(zhi)(zhi)(zhi)物(wu)(wu)(wu)(wu)(wu)其靜電(dian)(dian)電(dian)(dian)壓和半衰(shuai)期(qi)最低(di)(di)(di)(di),但考(kao)慮到成本問(wen)題,經30g/L抗靜電(dian)(dian)劑(ji)(ji)(ji)處理(li)(li)(li)(li)的(de)(de)(de)織(zhi)(zhi)(zhi)物(wu)(wu)(wu)(wu)(wu)靜電(dian)(dian)電(dian)(dian)壓較(jiao)低(di)(di)(di)(di),經40g/L抗靜電(dian)(dian)劑(ji)(ji)(ji)處理(li)(li)(li)(li)的(de)(de)(de)織(zhi)(zhi)(zhi)物(wu)(wu)(wu)(wu)(wu)半衰(shuai)期(qi)較(jiao)低(di)(di)(di)(di),所以(yi)質(zhi)(zhi)量濃(nong)(nong)度可(ke)選(xuan)擇30~40g/L。對整理(li)(li)(li)(li)前(qian)(qian)后錦(jin)綸(lun)織(zhi)(zhi)(zhi)物(wu)(wu)(wu)(wu)(wu)的(de)(de)(de)K/S值進(jin)行(xing)比(bi)較(jiao)發現,不管水(shui)洗(xi)前(qian)(qian)后,整理(li)(li)(li)(li)后織(zhi)(zhi)(zhi)物(wu)(wu)(wu)(wu)(wu)的(de)(de)(de)K/S值均降(jiang)低(di)(di)(di)(di),織(zhi)(zhi)(zhi)物(wu)(wu)(wu)(wu)(wu)表觀顏色(se)深度下降(jiang),這可(ke)能(neng)是因為(wei)(wei)抗靜電(dian)(dian)劑(ji)(ji)(ji)的(de)(de)(de)加入影響了染料的(de)(de)(de)發色(se)。

2.2.2 焙烘溫度對織物(wu)抗靜電性能的影(ying)響

根據2.2.1測(ce)試(shi)情況,選擇抗靜(jing)電(dian)劑質量濃度為30g/L,焙(bei)(bei)烘(hong)時間(jian)為30s。測(ce)試(shi)焙(bei)(bei)烘(hong)溫(wen)度對(dui)抗靜(jing)電(dian)為30g/L,焙(bei)(bei)烘(hong)時間(jian)為30s,測(ce)試(shi)焙(bei)(bei)烘(hong)溫(wen)度對(dui)抗靜(jing)電(dian)性能的影(ying)響(xiang),結果(guo)見表3。

由表3可知,滌綸(lun)(lun)織(zhi)物經150~190 ℃焙(bei)烘后,靜(jing)電(dian)(dian)電(dian)(dian)壓(ya)峰值和半(ban)衰期均很小,考慮到焙(bei)烘溫(wen)(wen)度(du)是影響整理效(xiao)果的一個(ge)重(zhong)要(yao)因(yin)素(su),溫(wen)(wen)度(du)過低(di)(di),反應(ying)速率低(di)(di),交(jiao)聯反應(ying)不完全,溫(wen)(wen)度(du)過高,手感(gan)變差,織(zhi)物易受損(sun),因(yin)此,焙(bei)烘溫(wen)(wen)度(du)選擇(ze)160~170℃為宜。就錦綸(lun)(lun)織(zhi)物而言,經180℃爐烘的織(zhi)物,其靜(jing)電(dian)(dian)電(dian)(dian)壓(ya)最低(di)(di),半(ban)衰期也較(jiao)低(di)(di),考慮到150~190℃圍內(nei)半(ban)衰期變化不大,所(suo)以(yi)焙(bei)烘溫(wen)(wen)度(du)以(yi)180℃為宜。

表3 焙(bei)烘溫度對織(zhi)物抗靜電性能的影響(xiang)

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焙烘時(shi)間對織物抗靜電(dian)性能的影響

根據2.2.1、2.2.2小節的測(ce)試情況,選(xuan)擇質量濃(nong)度為(wei)30g/L的抗(kang)靜電(dian)劑(ji),滌綸織物(wu)(wu)焙(bei)烘(hong)溫度選(xuan)擇 170℃,錦綸織物(wu)(wu)焙(bei)烘(hong)溫度選(xuan)擇180℃,測(ce)試不同(tong)焙(bei)烘(hong)時間對(dui)織物(wu)(wu)抗(kang)靜電(dian)性能的影響,實驗結果見表4。

表4 焙烘時間對織(zhi)物抗靜(jing)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
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(you)表4可(ke)知,焙烘(hong)(hong)(hong)(hong)時(shi)(shi)間(jian)(jian)對滌綸織(zhi)物靜電(dian)電(dian)壓(ya)和(he)半(ban)衰(shuai)期(qi)影響(xiang)不大(da)。考(kao)慮(lv)到焙烘(hong)(hong)(hong)(hong)時(shi)(shi)間(jian)(jian)過(guo)短,可(ke)能(neng)造成反應不完全;時(shi)(shi)間(jian)(jian)過(guo)長,手(shou)感變(bian)粗糙,綜(zong)合各因素(su)選擇30s為宜(yi)。就錦綸織(zhi)物而言,當(dang)焙烘(hong)(hong)(hong)(hong)時(shi)(shi)間(jian)(jian)為40s時(shi)(shi),靜電(dian)電(dian)壓(ya)和(he)半(ban)衰(shuai)期(qi)最低,所以焙烘(hong)(hong)(hong)(hong)時(shi)(shi)間(jian)(jian)以40s為宜(yi)。

通過對抗靜電(dian)劑(ji)(ji)濃(nong)度(du)(du)、焙烘(hong)溫(wen)度(du)(du)和時間(jian)的單因素實驗,得到整(zheng)(zheng)理滌綸(lun)織物(wu)(wu)較合適的工藝(yi):整(zheng)(zheng)理劑(ji)(ji)質量(liang)濃(nong)度(du)(du)為30g/L,170℃×30s;整(zheng)(zheng)理錦(jin)綸(lun)織物(wu)(wu)較合適的工藝(yi):整(zheng)(zheng)理劑(ji)(ji)質量(liang)濃(nong)度(du)(du)為30~40g/L,180℃×40s。

2.2.4 交聯劑質量濃(nong)度對織物(wu)抗靜電性能(neng)的影響

以三聚氰(qing)胺為(wei)(wei)交聯劑、MgCl2為(wei)(wei)催化(hua)劑,測(ce)試其對織物(wu)抗靜電性(xing)能的影響,實(shi)驗(yan)條件(jian)為(wei)(wei):抗靜電劑質量濃(nong)度(du)30g/L,滌(di)綸織物(wu)170℃×30s,錦綸織物(wu) 180℃×30 s,結果見表5。

表(biao)5 交聯劑質(zhi)量(liang)濃度對織物抗(kang)靜電性能(neng)的影響(xiang)

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)知(zhi),對(dui)(dui)滌(di)綸(lun)織物來說(shuo),加入交(jiao)(jiao)聯劑(ji)對(dui)(dui)降(jiang)低(di)(di)靜電(dian)(dian)電(dian)(dian)壓峰值(zhi)和(he)半(ban)衰期作用不(bu)(bu)大,因(yin)此,整理滌(di)綸(lun)織物時(shi)可(ke)不(bu)(bu)用交(jiao)(jiao)聯劑(ji)。原因(yin)可(ke)能是抗(kang)靜電(dian)(dian)劑(ji)TF-480能與滌(di)綸(lun)分子(zi)結(jie)合(he),交(jiao)(jiao)聯劑(ji)的(de)加入不(bu)(bu)起(qi)作用。而對(dui)(dui)錦綸(lun)織物而言,當交(jiao)(jiao)聯劑(ji)質量濃度為(wei)6sL時(shi),能降(jiang)低(di)(di)靜電(dian)(dian)電(dian)(dian)壓峰值(zhi)和(he)半(ban)衰期,抗(kang)靜電(dian)(dian)性(xing)最好,這可(ke)能是因(yin)為(wei)抗(kang)靜電(dian)(dian)劑(ji)TF-480通(tong)過交(jiao)(jiao)聯劑(ji)與錦綸(lun)發(fa)生結(jie)合(he),提(ti)高了抗(kang)靜電(dian)(dian)劑(ji)在錦綸(lun)上的(de)牢度,從而可(ke)增加其(qi)耐久性(xing)。

3 結論

1)抗靜(jing)電劑TF-480對滌綸(lun)和錦綸(lun)織物(wu)均有較(jiao)好的抗靜(jing)電效果(guo),且耐(nai)久性(xing)良好。滌綸(lun)織物(wu)的整(zheng)理工(gong)藝:整(zheng)理劑質量濃度(du)為(wei)(wei)30g/L,170℃×30s;錦綸(lun)織物(wu)的整(zheng)理工(gong)藝:整(zheng)理劑質量濃度(du)為(wei)(wei)30~40g/L,交(jiao)聯劑質量濃度(du)為(wei)(wei)6 g/L,180℃×40s。

2)從(cong)分子(zi)(zi)結(jie)(jie)構分析,由于抗(kang)(kang)靜(jing)電(dian)(dian)(dian)劑(ji)TF-480和滌(di)綸分子(zi)(zi)的(de)結(jie)(jie)構相似,故該抗(kang)(kang)靜(jing)電(dian)(dian)(dian)劑(ji)能(neng)與滌(di)綸分子(zi)(zi)較(jiao)好(hao)結(jie)(jie)合,在整理(li)中可不(bu)加(jia)交聯劑(ji):而錦綸為聚(ju)(ju)酰胺高分子(zi)(zi)化合物(wu),與抗(kang)(kang)靜(jing)電(dian)(dian)(dian)劑(ji)TF-480結(jie)(jie)構有差異,抗(kang)(kang)靜(jing)電(dian)(dian)(dian)劑(ji)與錦綸纖維的(de)結(jie)(jie)合力不(bu)強,為增加(jia)抗(kang)(kang)靜(jing)電(dian)(dian)(dian)劑(ji)牢度,提高抗(kang)(kang)靜(jing)電(dian)(dian)(dian)的(de)耐(nai)久性,可加(jia)入交聯劑(ji)三聚(ju)(ju)氰胺,并以(yi)MgCl2為催化劑(ji)。

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