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抗靜電劑對滌綸和錦綸織物的抗靜電效果

時間:2016-07-10 11:22

本(ben)文選用(yong)的抗靜(jing)電(dian)(dian)劑(ji)TF-480是聚(ju)(ju)酯聚(ju)(ju)醚類聚(ju)(ju)合(he)物(wu),分(fen)子(zi)(zi)結(jie)(jie)(jie)構中的對(dui)苯二甲酸(suan)乙二醇鏈段(duan)與滌綸(lun)(lun)大(da)分(fen)子(zi)(zi)結(jie)(jie)(jie)構相似,在高(gao)溫(wen)下,可進入(ru)聚(ju)(ju)酯的微(wei)軟化(hua)纖維表面而與聚(ju)(ju)酯大(da)分(fen)子(zi)(zi)產生共結(jie)(jie)(jie)晶,固著在滌綸(lun)(lun)上獲得耐久性(xing):同時(shi),其(qi)分(fen)子(zi)(zi)結(jie)(jie)(jie)構中含(han)有聚(ju)(ju)醚鏈部(bu)分(fen),具(ju)有吸濕(shi)性(xing),可提(ti)高(gao)織(zhi)(zhi)物(wu)的含(han)濕(shi)量,增加導電(dian)(dian)性(xing),加快靜(jing)電(dian)(dian)荷的逸散速度,賦予織(zhi)(zhi)物(wu)一(yi)定的抗靜(jing)電(dian)(dian)能(neng)力,同時(shi)使織(zhi)(zhi)物(wu)具(ju)有易去污性(xing)能(neng)[11]。本(ben)文采用(yong)該(gai)整(zheng)理劑(ji)對(dui)滌綸(lun)(lun)、錦綸(lun)(lun)織(zhi)(zhi)物(wu)進行(xing)整(zheng)理,優化(hua)加工工藝,以提(ti)高(gao)織(zhi)(zhi)物(wu)的抗靜(jing)電(dian)(dian)性(xing)能(neng)。

1 實驗部分

1.1材料與儀器

染色春亞紡(滌綸(lun))和染色塔絲絨(錦(jin)綸(lun))(吳江盛虹(hong)印染公(gong)司提(ti)供),抗靜電劑TF-480,三(san)聚氰(qing)胺, MgCl2,純堿,洗衣(yi)粉(市售)。

氣壓式軋車小定型烘干機YG342織物感應式靜電測試儀,U測色儀(yi),家用洗衣(yi)機。

1.2 實驗工藝

1.2.1 工藝流(liu)程

一浸一軋(ya)(軋(ya)液率80%)→預烘(90~95℃×1min)→焙(bei)烘→皂洗→水(shui)洗→烘干→抗靜電(dian)織(zhi)物。

1.2.2 皂洗條件

洗衣粉2 g/L,純堿2 g/L,40℃,5 min,浴比 1:30,然后(hou)在清水中漂洗3次(ci)。為檢測整理織物(wu)抗(kang)靜(jing)電(dian)的耐久性,以(yi)上操(cao)作重復20次(ci),烘(hong)干后(hou)得到抗(kang)靜(jing)電(dian)織物(wu)。

1.2.3 織物抗靜電(dian)性測試

溫度(du)(20±2)℃,相對濕度(du)(35±2)%,平衡(heng)3h,測(ce)試靜電(dian)電(dian)壓和半(ban)衰期。

1.2.4織物K/S值(zhi)測(ce)試

采用D65光(guang)源和10°視(shi)場,測試織物K/S值。

2結果與討論

2.1 未經抗靜(jing)電劑整理(li)織物(wu)的性能

未經抗(kang)靜電劑整理織物的靜電性(xing)能(neng)和K/S值測試結果見表1。

表1 未整理織物(wu)的靜電性能和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可知,未經整理織物的(de)靜電電壓和半衰期都(dou)很高,如直接服(fu)用會產生嚴重的(de)靜電現象。水洗(xi)后的(de)K/S值低于(yu)水洗(xi)前的(de),主要是因(yin)為織物褪色(se)的(de)緣故(gu)。

2.2 抗(kang)靜電(dian)劑TF-480對織物抗(kang)靜電(dian)整理

采(cai)用(yong)單(dan)因素法,用(yong)抗靜電(dian)劑TF-480分別對染色(se)春亞紡和染色(se)塔絲絨進行(xing)處(chu)理(li),測試其(qi)整理(li)效果,優化抗靜電(dian)劑質(zhi)量(liang)(liang)濃度、焙(bei)烘溫(wen)度、處(chu)理(li)時間(jian)和交聯劑用(yong)量(liang)(liang)。

2.2.1抗靜電(dian)劑質量濃(nong)度(du)對抗靜電(dian)性能(neng)的影響

采用5種(zhong)不同質量濃度的(de)TF-480對織物進行處理,經浸(jin)軋和180℃×30s整理后(hou)進行測試(shi),結果見表2。

表(biao)2 抗(kang)靜(jing)電劑質量濃度對(dui)織物抗(kang)靜(jing)電性能(neng)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
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)(biao)2可知,用抗(kang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)劑(ji)(ji)(ji)TF-480處(chu)(chu)(chu)(chu)理(li)的(de)(de)(de)(de)織(zhi)(zhi)(zhi)物(wu)(wu)(wu)抗(kang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)效果相當明顯。當用質(zhi)量濃(nong)度(du)為30~40g/L的(de)(de)(de)(de)抗(kang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)劑(ji)(ji)(ji)處(chu)(chu)(chu)(chu)理(li)滌綸織(zhi)(zhi)(zhi)物(wu)(wu)(wu)后(hou)(hou),靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)電(dian)(dian)(dian)壓和半衰(shuai)期(qi)(qi)最(zui)低(di)(di),故(gu)質(zhi)量濃(nong)度(du)選擇(ze)30g/L為宜。對(dui)整(zheng)(zheng)理(li)前(qian)后(hou)(hou)滌綸織(zhi)(zhi)(zhi)物(wu)(wu)(wu)的(de)(de)(de)(de)K/S值(zhi)(zhi)進行比(bi)較發(fa)現,不管(guan)水洗(xi)前(qian)后(hou)(hou),整(zheng)(zheng)理(li)后(hou)(hou)織(zhi)(zhi)(zhi)物(wu)(wu)(wu)的(de)(de)(de)(de)K/S值(zhi)(zhi)均增(zeng)加。對(dui)錦綸織(zhi)(zhi)(zhi)物(wu)(wu)(wu)而言,用質(zhi)量濃(nong)度(du)為60g/L的(de)(de)(de)(de)抗(kang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)劑(ji)(ji)(ji)處(chu)(chu)(chu)(chu)理(li)的(de)(de)(de)(de)織(zhi)(zhi)(zhi)物(wu)(wu)(wu)其靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)電(dian)(dian)(dian)壓和半衰(shuai)期(qi)(qi)最(zui)低(di)(di),但考慮到成本問題,經30g/L抗(kang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)劑(ji)(ji)(ji)處(chu)(chu)(chu)(chu)理(li)的(de)(de)(de)(de)織(zhi)(zhi)(zhi)物(wu)(wu)(wu)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)電(dian)(dian)(dian)壓較低(di)(di),經40g/L抗(kang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)劑(ji)(ji)(ji)處(chu)(chu)(chu)(chu)理(li)的(de)(de)(de)(de)織(zhi)(zhi)(zhi)物(wu)(wu)(wu)半衰(shuai)期(qi)(qi)較低(di)(di),所以質(zhi)量濃(nong)度(du)可選擇(ze)30~40g/L。對(dui)整(zheng)(zheng)理(li)前(qian)后(hou)(hou)錦綸織(zhi)(zhi)(zhi)物(wu)(wu)(wu)的(de)(de)(de)(de)K/S值(zhi)(zhi)進行比(bi)較發(fa)現,不管(guan)水洗(xi)前(qian)后(hou)(hou),整(zheng)(zheng)理(li)后(hou)(hou)織(zhi)(zhi)(zhi)物(wu)(wu)(wu)的(de)(de)(de)(de)K/S值(zhi)(zhi)均降低(di)(di),織(zhi)(zhi)(zhi)物(wu)(wu)(wu)表(biao)(biao)觀(guan)顏(yan)色(se)深(shen)度(du)下降,這可能是因為抗(kang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)劑(ji)(ji)(ji)的(de)(de)(de)(de)加入影響(xiang)了染料的(de)(de)(de)(de)發(fa)色(se)。

2.2.2 焙烘溫(wen)度對織物抗靜電性能(neng)的影(ying)響

根據2.2.1測試(shi)情況,選(xuan)擇抗靜電(dian)劑質量濃(nong)度為(wei)30g/L,焙烘(hong)時間(jian)為(wei)30s。測試(shi)焙烘(hong)溫度對抗靜電(dian)為(wei)30g/L,焙烘(hong)時間(jian)為(wei)30s,測試(shi)焙烘(hong)溫度對抗靜電(dian)性能的影響(xiang),結果見表3。

由表3可知,滌綸(lun)織(zhi)物(wu)經150~190 ℃焙烘(hong)(hong)(hong)后,靜電電壓峰值和半(ban)衰(shuai)期均很小,考(kao)(kao)慮(lv)到焙烘(hong)(hong)(hong)溫度(du)(du)是影響整(zheng)理效果的(de)一(yi)個重要因素,溫度(du)(du)過低,反應(ying)速率低,交聯(lian)反應(ying)不(bu)完全,溫度(du)(du)過高(gao),手(shou)感(gan)變差,織(zhi)物(wu)易受損,因此,焙烘(hong)(hong)(hong)溫度(du)(du)選(xuan)擇160~170℃為宜。就(jiu)錦綸(lun)織(zhi)物(wu)而(er)言,經180℃爐烘(hong)(hong)(hong)的(de)織(zhi)物(wu),其靜電電壓最低,半(ban)衰(shuai)期也較低,考(kao)(kao)慮(lv)到150~190℃圍內半(ban)衰(shuai)期變化不(bu)大(da),所以焙烘(hong)(hong)(hong)溫度(du)(du)以180℃為宜。

表(biao)3 焙(bei)烘(hong)溫度對織物(wu)抗靜(jing)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(bei)烘(hong)時間(jian)對(dui)織物抗靜電性能(neng)的(de)影響(xiang)

根據(ju)2.2.1、2.2.2小(xiao)節(jie)的測(ce)試情(qing)況(kuang),選擇質量濃度為30g/L的抗(kang)靜(jing)電劑(ji),滌綸織(zhi)物(wu)(wu)焙(bei)烘溫度選擇 170℃,錦綸織(zhi)物(wu)(wu)焙(bei)烘溫度選擇180℃,測(ce)試不(bu)同焙(bei)烘時(shi)間對織(zhi)物(wu)(wu)抗(kang)靜(jing)電性能的影響(xiang),實(shi)驗結果(guo)見(jian)表4。

表4 焙烘時間(jian)對織物(wu)抗靜(jing)電性能的影(ying)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
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4可知,焙(bei)(bei)烘(hong)時(shi)(shi)間(jian)(jian)(jian)(jian)對滌綸織物靜(jing)電電壓和半衰期(qi)影響不大。考慮到焙(bei)(bei)烘(hong)時(shi)(shi)間(jian)(jian)(jian)(jian)過短,可能造(zao)成反應(ying)不完全;時(shi)(shi)間(jian)(jian)(jian)(jian)過長,手(shou)感變(bian)粗糙,綜合各因素選擇30s為宜。就(jiu)錦(jin)綸織物而言,當焙(bei)(bei)烘(hong)時(shi)(shi)間(jian)(jian)(jian)(jian)為40s時(shi)(shi),靜(jing)電電壓和半衰期(qi)最(zui)低,所以焙(bei)(bei)烘(hong)時(shi)(shi)間(jian)(jian)(jian)(jian)以40s為宜。

通過(guo)對抗(kang)靜電劑濃(nong)(nong)度(du)、焙烘溫度(du)和時間的單(dan)因素實驗,得(de)到整(zheng)理(li)滌綸織物(wu)較(jiao)合(he)適的工藝(yi):整(zheng)理(li)劑質(zhi)量濃(nong)(nong)度(du)為(wei)30g/L,170℃×30s;整(zheng)理(li)錦綸織物(wu)較(jiao)合(he)適的工藝(yi):整(zheng)理(li)劑質(zhi)量濃(nong)(nong)度(du)為(wei)30~40g/L,180℃×40s。

2.2.4 交(jiao)聯劑質量濃(nong)度對織物(wu)抗靜電(dian)性(xing)能的影(ying)響

以三聚氰胺(an)為(wei)交聯劑、MgCl2為(wei)催化劑,測試其(qi)對織物抗(kang)(kang)靜電性能的影響(xiang),實驗(yan)條(tiao)件(jian)為(wei):抗(kang)(kang)靜電劑質(zhi)量濃度30g/L,滌綸(lun)織物170℃×30s,錦綸(lun)織物 180℃×30 s,結(jie)果(guo)見表(biao)5。

表(biao)5 交聯劑(ji)質量(liang)濃(nong)度對織(zhi)物抗靜電性能的影響

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可知,對(dui)滌綸(lun)織(zhi)(zhi)物來(lai)說,加(jia)入交聯(lian)劑(ji)(ji)(ji)對(dui)降低(di)靜(jing)電(dian)(dian)電(dian)(dian)壓(ya)峰(feng)值和半衰期作用不(bu)大,因(yin)(yin)此,整(zheng)理滌綸(lun)織(zhi)(zhi)物時(shi)可不(bu)用交聯(lian)劑(ji)(ji)(ji)。原因(yin)(yin)可能(neng)是抗靜(jing)電(dian)(dian)劑(ji)(ji)(ji)TF-480能(neng)與滌綸(lun)分子結合,交聯(lian)劑(ji)(ji)(ji)的加(jia)入不(bu)起作用。而(er)(er)對(dui)錦綸(lun)織(zhi)(zhi)物而(er)(er)言(yan),當交聯(lian)劑(ji)(ji)(ji)質量濃度為6sL時(shi),能(neng)降低(di)靜(jing)電(dian)(dian)電(dian)(dian)壓(ya)峰(feng)值和半衰期,抗靜(jing)電(dian)(dian)性(xing)最好,這可能(neng)是因(yin)(yin)為抗靜(jing)電(dian)(dian)劑(ji)(ji)(ji)TF-480通過交聯(lian)劑(ji)(ji)(ji)與錦綸(lun)發生(sheng)結合,提高了抗靜(jing)電(dian)(dian)劑(ji)(ji)(ji)在錦綸(lun)上的牢度,從而(er)(er)可增(zeng)加(jia)其耐久性(xing)。

3 結論

1)抗靜電劑TF-480對滌綸(lun)和(he)錦綸(lun)織物均有較好的(de)抗靜電效果,且耐久性良好。滌綸(lun)織物的(de)整(zheng)(zheng)理(li)(li)工藝:整(zheng)(zheng)理(li)(li)劑質(zhi)量濃(nong)度為(wei)30g/L,170℃×30s;錦綸(lun)織物的(de)整(zheng)(zheng)理(li)(li)工藝:整(zheng)(zheng)理(li)(li)劑質(zhi)量濃(nong)度為(wei)30~40g/L,交聯劑質(zhi)量濃(nong)度為(wei)6 g/L,180℃×40s。

2)從(cong)分子(zi)結構分析,由于抗(kang)(kang)(kang)靜(jing)電(dian)劑TF-480和滌綸分子(zi)的結構相(xiang)似,故該抗(kang)(kang)(kang)靜(jing)電(dian)劑能與滌綸分子(zi)較好結合(he),在整理中可(ke)不(bu)加交聯(lian)劑:而錦(jin)綸為聚酰胺高分子(zi)化(hua)合(he)物(wu),與抗(kang)(kang)(kang)靜(jing)電(dian)劑TF-480結構有差異(yi),抗(kang)(kang)(kang)靜(jing)電(dian)劑與錦(jin)綸纖(xian)維的結合(he)力不(bu)強,為增加抗(kang)(kang)(kang)靜(jing)電(dian)劑牢度,提高抗(kang)(kang)(kang)靜(jing)電(dian)的耐久性(xing),可(ke)加入交聯(lian)劑三聚氰胺,并以MgCl2為催化(hua)劑。

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