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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

本文(wen)選用的(de)(de)抗靜(jing)電(dian)(dian)(dian)劑TF-480是聚酯(zhi)聚醚類聚合物(wu)(wu),分(fen)(fen)子結(jie)構中的(de)(de)對(dui)苯二甲(jia)酸(suan)乙二醇鏈段與(yu)滌綸大分(fen)(fen)子結(jie)構相似,在(zai)高溫下,可進入聚酯(zhi)的(de)(de)微軟化纖維表面而與(yu)聚酯(zhi)大分(fen)(fen)子產(chan)生(sheng)共結(jie)晶,固著在(zai)滌綸上獲得耐久性:同(tong)時,其分(fen)(fen)子結(jie)構中含(han)有(you)(you)聚醚鏈部分(fen)(fen),具(ju)有(you)(you)吸濕性,可提高織物(wu)(wu)的(de)(de)含(han)濕量,增加(jia)導電(dian)(dian)(dian)性,加(jia)快靜(jing)電(dian)(dian)(dian)荷的(de)(de)逸散(san)速度,賦予織物(wu)(wu)一定(ding)的(de)(de)抗靜(jing)電(dian)(dian)(dian)能(neng)力,同(tong)時使織物(wu)(wu)具(ju)有(you)(you)易去污性能(neng)[11]。本文(wen)采用該(gai)整(zheng)理劑對(dui)滌綸、錦綸織物(wu)(wu)進行(xing)整(zheng)理,優化加(jia)工(gong)工(gong)藝,以提高織物(wu)(wu)的(de)(de)抗靜(jing)電(dian)(dian)(dian)性能(neng)。

1 實驗部分

1.1材料與儀器

染色春亞紡(滌綸)和(he)染色塔絲絨(錦綸)(吳江盛虹印染公司提供(gong)),抗靜電劑TF-480,三聚氰胺, MgCl2,純堿,洗衣粉(市(shi)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(se)儀,家用洗衣機(ji)。

1.2 實驗工藝

1.2.1 工藝流(liu)程

一浸一軋(軋液(ye)率80%)→預烘(hong)(90~95℃×1min)→焙烘(hong)→皂洗(xi)→水洗(xi)→烘(hong)干→抗靜電織物(wu)。

1.2.2 皂洗條件

洗衣粉2 g/L,純堿(jian)2 g/L,40℃,5 min,浴比(bi) 1:30,然后在清水中漂洗3次。為檢測(ce)整理織物抗靜(jing)電的耐久性,以上操作(zuo)重(zhong)復20次,烘干后得(de)到抗靜(jing)電織物。

1.2.3 織物抗靜電性測試

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

1.2.4織物(wu)K/S值測試

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

2結果與討論

2.1 未經抗靜電(dian)劑整理織(zhi)物的性能

未經抗(kang)靜電劑整理織物的靜電性能和K/S值測試結果(guo)見表(biao)1。

表1 未整理織物的靜電性能和(he)K/S值(zhi)

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(zheng)理織物(wu)的(de)靜電電壓和半衰期都很高(gao),如直接服用(yong)會產生(sheng)嚴重(zhong)的(de)靜電現象(xiang)。水洗(xi)后的(de)K/S值低于(yu)水洗(xi)前的(de),主(zhu)要是因為織物(wu)褪色的(de)緣故。

2.2 抗靜(jing)電(dian)劑TF-480對織(zhi)物抗靜(jing)電(dian)整理(li)

采用單因素法,用抗靜(jing)電劑TF-480分別(bie)對染(ran)色(se)春亞紡(fang)和染(ran)色(se)塔絲絨進行處理,測試其整理效果,優化抗靜(jing)電劑質(zhi)量濃度、焙(bei)烘溫度、處理時間和交(jiao)聯劑用量。

2.2.1抗(kang)靜電劑質量濃(nong)度對抗(kang)靜電性能(neng)的影響

采用5種不(bu)同(tong)質量濃度的TF-480對織物(wu)進行(xing)處理,經浸軋和180℃×30s整理后進行(xing)測試,結果見表2。

表2 抗(kang)靜電(dian)劑(ji)質(zhi)量濃度(du)對(dui)織物抗(kang)靜電(dian)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
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可知,用(yong)抗(kang)(kang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)(dian)劑TF-480處(chu)(chu)(chu)理(li)(li)的(de)(de)(de)(de)織(zhi)(zhi)(zhi)物(wu)抗(kang)(kang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)(dian)效果相當明顯。當用(yong)質(zhi)量(liang)(liang)濃(nong)度(du)為(wei)30~40g/L的(de)(de)(de)(de)抗(kang)(kang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)(dian)劑處(chu)(chu)(chu)理(li)(li)滌(di)(di)綸織(zhi)(zhi)(zhi)物(wu)后,靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)壓和半衰(shuai)期(qi)最低(di),故(gu)質(zhi)量(liang)(liang)濃(nong)度(du)選擇30g/L為(wei)宜。對整(zheng)理(li)(li)前(qian)(qian)后滌(di)(di)綸織(zhi)(zhi)(zhi)物(wu)的(de)(de)(de)(de)K/S值進(jin)行比較發(fa)現,不(bu)管(guan)水(shui)洗前(qian)(qian)后,整(zheng)理(li)(li)后織(zhi)(zhi)(zhi)物(wu)的(de)(de)(de)(de)K/S值均(jun)增(zeng)加。對錦綸織(zhi)(zhi)(zhi)物(wu)而言,用(yong)質(zhi)量(liang)(liang)濃(nong)度(du)為(wei)60g/L的(de)(de)(de)(de)抗(kang)(kang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)(dian)劑處(chu)(chu)(chu)理(li)(li)的(de)(de)(de)(de)織(zhi)(zhi)(zhi)物(wu)其(qi)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)壓和半衰(shuai)期(qi)最低(di),但考慮到成(cheng)本問題,經(jing)30g/L抗(kang)(kang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)(dian)劑處(chu)(chu)(chu)理(li)(li)的(de)(de)(de)(de)織(zhi)(zhi)(zhi)物(wu)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)壓較低(di),經(jing)40g/L抗(kang)(kang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)(dian)劑處(chu)(chu)(chu)理(li)(li)的(de)(de)(de)(de)織(zhi)(zhi)(zhi)物(wu)半衰(shuai)期(qi)較低(di),所以質(zhi)量(liang)(liang)濃(nong)度(du)可選擇30~40g/L。對整(zheng)理(li)(li)前(qian)(qian)后錦綸織(zhi)(zhi)(zhi)物(wu)的(de)(de)(de)(de)K/S值進(jin)行比較發(fa)現,不(bu)管(guan)水(shui)洗前(qian)(qian)后,整(zheng)理(li)(li)后織(zhi)(zhi)(zhi)物(wu)的(de)(de)(de)(de)K/S值均(jun)降低(di),織(zhi)(zhi)(zhi)物(wu)表觀顏色深度(du)下(xia)降,這(zhe)可能是(shi)因為(wei)抗(kang)(kang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)(dian)劑的(de)(de)(de)(de)加入影響了染(ran)料的(de)(de)(de)(de)發(fa)色。

2.2.2 焙烘溫(wen)度對(dui)織物(wu)抗靜電性能的影響

根據2.2.1測試情況(kuang),選擇抗靜(jing)(jing)電劑質量濃度(du)為(wei)30g/L,焙(bei)烘時間為(wei)30s。測試焙(bei)烘溫(wen)度(du)對抗靜(jing)(jing)電為(wei)30g/L,焙(bei)烘時間為(wei)30s,測試焙(bei)烘溫(wen)度(du)對抗靜(jing)(jing)電性(xing)能的(de)影響,結果見表(biao)3。

由表3可知,滌綸織(zhi)物(wu)經(jing)150~190 ℃焙(bei)(bei)烘(hong)后,靜電(dian)電(dian)壓(ya)峰值(zhi)和半衰(shuai)期均很小,考慮到(dao)焙(bei)(bei)烘(hong)溫度是影響整(zheng)理(li)效果的(de)一個重要因素,溫度過低,反(fan)應(ying)速率低,交聯反(fan)應(ying)不(bu)完全(quan),溫度過高,手感變差,織(zhi)物(wu)易受損,因此,焙(bei)(bei)烘(hong)溫度選擇160~170℃為宜(yi)。就(jiu)錦綸織(zhi)物(wu)而言,經(jing)180℃爐烘(hong)的(de)織(zhi)物(wu),其靜電(dian)電(dian)壓(ya)最低,半衰(shuai)期也較低,考慮到(dao)150~190℃圍內半衰(shuai)期變化不(bu)大,所以焙(bei)(bei)烘(hong)溫度以180℃為宜(yi)。

表3 焙烘溫度對織物(wu)抗靜電性能的(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
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焙烘時間(jian)對織物抗靜電(dian)性能(neng)的影響

根據2.2.1、2.2.2小(xiao)節的測(ce)試(shi)情況,選(xuan)擇質(zhi)量濃度為30g/L的抗靜電劑,滌(di)綸織物焙(bei)烘(hong)溫(wen)度選(xuan)擇 170℃,錦綸織物焙(bei)烘(hong)溫(wen)度選(xuan)擇180℃,測(ce)試(shi)不同焙(bei)烘(hong)時間對織物抗靜電性能的影響,實驗(yan)結果見表4。

表4 焙烘時間對織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
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(ke)知(zhi),焙(bei)烘(hong)(hong)時(shi)間(jian)對滌綸織物(wu)靜電(dian)電(dian)壓和半(ban)衰期(qi)影(ying)響不(bu)大。考慮(lv)到焙(bei)烘(hong)(hong)時(shi)間(jian)過短,可(ke)能造成反應不(bu)完全;時(shi)間(jian)過長,手感(gan)變粗糙,綜合各因素選擇30s為(wei)宜。就錦綸織物(wu)而言,當(dang)焙(bei)烘(hong)(hong)時(shi)間(jian)為(wei)40s時(shi),靜電(dian)電(dian)壓和半(ban)衰期(qi)最低,所(suo)以焙(bei)烘(hong)(hong)時(shi)間(jian)以40s為(wei)宜。

通過(guo)對抗靜(jing)電劑(ji)(ji)濃(nong)(nong)度、焙烘溫度和(he)時間的單因素實驗,得(de)到整(zheng)理滌綸織物較(jiao)合適(shi)的工藝:整(zheng)理劑(ji)(ji)質量(liang)濃(nong)(nong)度為(wei)30g/L,170℃×30s;整(zheng)理錦綸織物較(jiao)合適(shi)的工藝:整(zheng)理劑(ji)(ji)質量(liang)濃(nong)(nong)度為(wei)30~40g/L,180℃×40s。

2.2.4 交聯劑質(zhi)量濃(nong)度對(dui)織物抗靜(jing)電性(xing)能的影響

以三聚氰胺為交聯劑(ji)、MgCl2為催(cui)化(hua)劑(ji),測試(shi)其(qi)對織物(wu)抗靜(jing)電(dian)性能的(de)影響,實驗條件(jian)為:抗靜(jing)電(dian)劑(ji)質量濃(nong)度30g/L,滌綸織物(wu)170℃×30s,錦(jin)綸織物(wu) 180℃×30 s,結(jie)果見表5。

表(biao)5 交聯劑(ji)質量濃度對(dui)織物抗(kang)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,對滌(di)綸(lun)織物來(lai)說,加入交(jiao)(jiao)聯劑(ji)(ji)(ji)(ji)對降低靜(jing)電(dian)(dian)電(dian)(dian)壓(ya)峰值和半(ban)衰(shuai)期(qi)作用不大(da),因此,整(zheng)理滌(di)綸(lun)織物時可不用交(jiao)(jiao)聯劑(ji)(ji)(ji)(ji)。原因可能(neng)(neng)是(shi)抗(kang)靜(jing)電(dian)(dian)劑(ji)(ji)(ji)(ji)TF-480能(neng)(neng)與滌(di)綸(lun)分子結合,交(jiao)(jiao)聯劑(ji)(ji)(ji)(ji)的加入不起作用。而(er)對錦(jin)(jin)綸(lun)織物而(er)言,當交(jiao)(jiao)聯劑(ji)(ji)(ji)(ji)質(zhi)量濃度為(wei)6sL時,能(neng)(neng)降低靜(jing)電(dian)(dian)電(dian)(dian)壓(ya)峰值和半(ban)衰(shuai)期(qi),抗(kang)靜(jing)電(dian)(dian)性最好(hao),這可能(neng)(neng)是(shi)因為(wei)抗(kang)靜(jing)電(dian)(dian)劑(ji)(ji)(ji)(ji)TF-480通過交(jiao)(jiao)聯劑(ji)(ji)(ji)(ji)與錦(jin)(jin)綸(lun)發生結合,提高(gao)了抗(kang)靜(jing)電(dian)(dian)劑(ji)(ji)(ji)(ji)在錦(jin)(jin)綸(lun)上的牢度,從而(er)可增(zeng)加其耐久性。

3 結論

1)抗(kang)靜電劑(ji)TF-480對滌綸和錦綸織物(wu)(wu)均有較好的(de)抗(kang)靜電效果,且耐久性良(liang)好。滌綸織物(wu)(wu)的(de)整理(li)(li)工(gong)藝:整理(li)(li)劑(ji)質量(liang)濃度(du)為30g/L,170℃×30s;錦綸織物(wu)(wu)的(de)整理(li)(li)工(gong)藝:整理(li)(li)劑(ji)質量(liang)濃度(du)為30~40g/L,交聯(lian)劑(ji)質量(liang)濃度(du)為6 g/L,180℃×40s。

2)從分(fen)子結構分(fen)析,由于抗(kang)靜(jing)(jing)(jing)電劑TF-480和滌綸分(fen)子的(de)(de)結構相似(si),故(gu)該抗(kang)靜(jing)(jing)(jing)電劑能與滌綸分(fen)子較好結合(he)(he),在整理中可不(bu)加交(jiao)聯(lian)劑:而錦綸為聚酰胺(an)高分(fen)子化合(he)(he)物,與抗(kang)靜(jing)(jing)(jing)電劑TF-480結構有(you)差異,抗(kang)靜(jing)(jing)(jing)電劑與錦綸纖維的(de)(de)結合(he)(he)力(li)不(bu)強,為增(zeng)加抗(kang)靜(jing)(jing)(jing)電劑牢度,提高抗(kang)靜(jing)(jing)(jing)電的(de)(de)耐(nai)久性,可加入交(jiao)聯(lian)劑三聚氰胺(an),并以MgCl2為催化劑。

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