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抗靜電劑對滌綸和錦綸織物的抗靜電效果

時間:19-04-03 05:36

本文選用(yong)的(de)(de)抗(kang)靜電(dian)(dian)(dian)劑(ji)TF-480是(shi)聚(ju)酯聚(ju)醚類聚(ju)合(he)物(wu)(wu)(wu),分子結(jie)構中(zhong)的(de)(de)對(dui)苯二甲酸乙二醇鏈段與(yu)滌(di)(di)綸(lun)大分子結(jie)構相(xiang)似,在高溫下,可(ke)進入聚(ju)酯的(de)(de)微軟化(hua)纖維表面而與(yu)聚(ju)酯大分子產生共結(jie)晶,固著(zhu)在滌(di)(di)綸(lun)上(shang)獲得耐久性:同(tong)時,其分子結(jie)構中(zhong)含(han)有(you)聚(ju)醚鏈部分,具有(you)吸濕性,可(ke)提高織物(wu)(wu)(wu)的(de)(de)含(han)濕量,增加導電(dian)(dian)(dian)性,加快靜電(dian)(dian)(dian)荷的(de)(de)逸散速(su)度,賦(fu)予(yu)織物(wu)(wu)(wu)一定(ding)的(de)(de)抗(kang)靜電(dian)(dian)(dian)能力,同(tong)時使織物(wu)(wu)(wu)具有(you)易(yi)去污性能[11]。本文采(cai)用(yong)該整(zheng)理(li)劑(ji)對(dui)滌(di)(di)綸(lun)、錦綸(lun)織物(wu)(wu)(wu)進行(xing)整(zheng)理(li),優化(hua)加工(gong)工(gong)藝,以提高織物(wu)(wu)(wu)的(de)(de)抗(kang)靜電(dian)(dian)(dian)性能。

1 實(shi)驗部分

1.1材料(liao)與儀器(qi)

染(ran)(ran)色(se)春亞紡(滌綸(lun))和染(ran)(ran)色(se)塔絲(si)絨(錦綸(lun))(吳江盛虹(hong)印(yin)染(ran)(ran)公司提供),抗靜電劑TF-480,三聚(ju)氰胺, MgCl2,純堿,洗(xi)衣粉(市售(shou))。

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,家用洗衣機。

1.2 實驗(yan)工藝

1.2.1 工藝流程

一浸(jin)一軋(ya)(軋(ya)液率(lv)80%)→預烘(90~95℃×1min)→焙烘→皂洗(xi)→水洗(xi)→烘干→抗靜電(dian)織物。

1.2.2 皂(zao)洗(xi)條件

洗衣(yi)粉2 g/L,純(chun)堿2 g/L,40℃,5 min,浴比(bi) 1:30,然后在清水(shui)中(zhong)漂洗3次(ci)。為檢測(ce)整理(li)織物抗靜(jing)電的耐(nai)久(jiu)性,以上操作重復20次(ci),烘干(gan)后得到抗靜(jing)電織物。

1.2.3 織物(wu)抗靜電性(xing)測(ce)試

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

1.2.4織(zhi)物K/S值測(ce)試

采用D65光源和10°視場(chang),測試織物K/S值。

2結果與討論(lun)

2.1 未經抗靜電劑(ji)整(zheng)理織(zhi)物(wu)的(de)性能

未經抗(kang)靜電(dian)(dian)劑(ji)整理織物的靜電(dian)(dian)性(xing)能和K/S值測試結果見表1。

表(biao)1 未整(zheng)理(li)織物的靜電(dian)性(xing)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(zhi),未經整(zheng)理織物(wu)的靜(jing)電(dian)電(dian)壓和半衰期都(dou)很高,如直接(jie)服用會產生嚴重的靜(jing)電(dian)現象(xiang)。水洗(xi)(xi)后(hou)的K/S值低于(yu)水洗(xi)(xi)前的,主(zhu)要是因為織物(wu)褪色的緣(yuan)故。

2.2 抗靜電(dian)劑(ji)TF-480對(dui)織物抗靜電(dian)整理

采用(yong)單因素法,用(yong)抗靜(jing)電劑(ji)(ji)TF-480分別(bie)對(dui)染色春亞紡(fang)和(he)染色塔絲絨(rong)進(jin)行(xing)處理,測試(shi)其整理效(xiao)果,優化抗靜(jing)電劑(ji)(ji)質量濃度(du)、焙烘溫度(du)、處理時間和(he)交聯劑(ji)(ji)用(yong)量。

2.2.1抗靜電(dian)劑質(zhi)量濃度對抗靜電(dian)性能(neng)的影響

采用5種不同(tong)質量濃度的(de)TF-480對織物進行(xing)(xing)處理,經浸(jin)軋和180℃×30s整理后進行(xing)(xing)測試,結果(guo)見表(biao)2。

表2 抗(kang)靜電劑質量濃度(du)對織物抗(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
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)(ke)知,用抗(kang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)劑(ji)TF-480處(chu)(chu)理(li)(li)(li)的(de)織(zhi)物(wu)抗(kang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)效(xiao)果(guo)相當(dang)(dang)明顯。當(dang)(dang)用質(zhi)量濃度為(wei)30~40g/L的(de)抗(kang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)劑(ji)處(chu)(chu)理(li)(li)(li)滌綸織(zhi)物(wu)后(hou),靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)壓(ya)和半衰(shuai)期(qi)最低,故質(zhi)量濃度選(xuan)擇30g/L為(wei)宜。對整(zheng)理(li)(li)(li)前(qian)后(hou)滌綸織(zhi)物(wu)的(de)K/S值(zhi)進(jin)行比(bi)較(jiao)發現(xian),不(bu)管水(shui)洗前(qian)后(hou),整(zheng)理(li)(li)(li)后(hou)織(zhi)物(wu)的(de)K/S值(zhi)均(jun)增(zeng)加。對錦(jin)綸織(zhi)物(wu)而言,用質(zhi)量濃度為(wei)60g/L的(de)抗(kang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)劑(ji)處(chu)(chu)理(li)(li)(li)的(de)織(zhi)物(wu)其靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)壓(ya)和半衰(shuai)期(qi)最低,但考(kao)慮到成本問題(ti),經(jing)30g/L抗(kang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)劑(ji)處(chu)(chu)理(li)(li)(li)的(de)織(zhi)物(wu)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)壓(ya)較(jiao)低,經(jing)40g/L抗(kang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)劑(ji)處(chu)(chu)理(li)(li)(li)的(de)織(zhi)物(wu)半衰(shuai)期(qi)較(jiao)低,所以質(zhi)量濃度可(ke)(ke)選(xuan)擇30~40g/L。對整(zheng)理(li)(li)(li)前(qian)后(hou)錦(jin)綸織(zhi)物(wu)的(de)K/S值(zhi)進(jin)行比(bi)較(jiao)發現(xian),不(bu)管水(shui)洗前(qian)后(hou),整(zheng)理(li)(li)(li)后(hou)織(zhi)物(wu)的(de)K/S值(zhi)均(jun)降(jiang)低,織(zhi)物(wu)表觀(guan)顏色深度下(xia)降(jiang),這可(ke)(ke)能是因為(wei)抗(kang)靜(jing)(jing)(jing)(jing)電(dian)(dian)(dian)(dian)(dian)劑(ji)的(de)加入影響(xiang)了染料的(de)發色。

2.2.2 焙烘溫度對織物抗靜電(dian)性能的影響

根據2.2.1測試情(qing)況,選擇抗靜(jing)(jing)電劑質(zhi)量濃度(du)為(wei)30g/L,焙(bei)(bei)(bei)烘(hong)時(shi)間為(wei)30s。測試焙(bei)(bei)(bei)烘(hong)溫(wen)度(du)對(dui)抗靜(jing)(jing)電為(wei)30g/L,焙(bei)(bei)(bei)烘(hong)時(shi)間為(wei)30s,測試焙(bei)(bei)(bei)烘(hong)溫(wen)度(du)對(dui)抗靜(jing)(jing)電性能的影(ying)響,結(jie)果見(jian)表(biao)3。

由表3可知,滌綸織(zhi)物(wu)經(jing)(jing)150~190 ℃焙(bei)烘后(hou),靜電(dian)(dian)電(dian)(dian)壓(ya)峰值和半衰期均很小,考(kao)慮(lv)到(dao)焙(bei)烘溫(wen)(wen)度(du)是影(ying)響(xiang)整(zheng)理效(xiao)果的(de)一個重(zhong)要因素,溫(wen)(wen)度(du)過低,反(fan)應(ying)速率低,交(jiao)聯(lian)反(fan)應(ying)不(bu)完(wan)全,溫(wen)(wen)度(du)過高,手感變(bian)(bian)差(cha),織(zhi)物(wu)易受損,因此,焙(bei)烘溫(wen)(wen)度(du)選擇(ze)160~170℃為宜。就錦(jin)綸織(zhi)物(wu)而(er)言(yan),經(jing)(jing)180℃爐烘的(de)織(zhi)物(wu),其(qi)靜電(dian)(dian)電(dian)(dian)壓(ya)最低,半衰期也較低,考(kao)慮(lv)到(dao)150~190℃圍內半衰期變(bian)(bian)化不(bu)大(da),所(suo)以焙(bei)烘溫(wen)(wen)度(du)以180℃為宜。

表3 焙烘(hong)溫度對織物抗(kang)靜電(dian)性(xing)能(neng)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
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焙烘時間對織(zhi)物(wu)抗靜電性能的影響

根據2.2.1、2.2.2小(xiao)節的(de)(de)測試情況(kuang),選(xuan)(xuan)擇質量濃度為30g/L的(de)(de)抗(kang)靜電劑,滌綸織物焙烘溫度選(xuan)(xuan)擇 170℃,錦(jin)綸織物焙烘溫度選(xuan)(xuan)擇180℃,測試不同(tong)焙烘時間對織物抗(kang)靜電性(xing)能的(de)(de)影響(xiang),實(shi)驗(yan)結(jie)果(guo)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(you)表4可(ke)知,焙(bei)烘時(shi)(shi)間(jian)(jian)對滌綸(lun)(lun)織物靜電(dian)電(dian)壓和(he)半衰期影響不大(da)。考慮到焙(bei)烘時(shi)(shi)間(jian)(jian)過(guo)短,可(ke)能造成(cheng)反應不完全;時(shi)(shi)間(jian)(jian)過(guo)長,手感變(bian)粗糙,綜合各(ge)因(yin)素選(xuan)擇30s為宜(yi)。就錦綸(lun)(lun)織物而(er)言(yan),當焙(bei)烘時(shi)(shi)間(jian)(jian)為40s時(shi)(shi),靜電(dian)電(dian)壓和(he)半衰期最低,所(suo)以焙(bei)烘時(shi)(shi)間(jian)(jian)以40s為宜(yi)。

通過對(dui)抗靜電劑濃(nong)度(du)(du)、焙烘溫(wen)度(du)(du)和時間的單因素實(shi)驗,得到(dao)整(zheng)理(li)滌綸(lun)織(zhi)物(wu)較合適的工藝(yi):整(zheng)理(li)劑質量(liang)濃(nong)度(du)(du)為(wei)30g/L,170℃×30s;整(zheng)理(li)錦綸(lun)織(zhi)物(wu)較合適的工藝(yi):整(zheng)理(li)劑質量(liang)濃(nong)度(du)(du)為(wei)30~40g/L,180℃×40s。

2.2.4 交聯(lian)劑質量濃度(du)對(dui)織物抗靜(jing)電性能(neng)的影響

以(yi)三聚氰胺為(wei)交聯劑(ji)、MgCl2為(wei)催化劑(ji),測試其對(dui)織(zhi)(zhi)物抗靜電性能的影(ying)響(xiang),實驗(yan)條件為(wei):抗靜電劑(ji)質量濃(nong)度30g/L,滌綸織(zhi)(zhi)物170℃×30s,錦綸織(zhi)(zhi)物 180℃×30 s,結(jie)果見表(biao)5。

表(biao)5 交聯劑質量(liang)濃度對織物抗靜電性(xing)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
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(biao)5可知,對(dui)(dui)滌(di)綸(lun)(lun)織物來(lai)說,加入(ru)交(jiao)聯劑對(dui)(dui)降低(di)靜(jing)電(dian)(dian)電(dian)(dian)壓(ya)峰值(zhi)和(he)半(ban)衰(shuai)期作用(yong)不大(da),因此,整理滌(di)綸(lun)(lun)織物時可不用(yong)交(jiao)聯劑。原(yuan)因可能(neng)(neng)是(shi)抗(kang)靜(jing)電(dian)(dian)劑TF-480能(neng)(neng)與(yu)滌(di)綸(lun)(lun)分子結合(he),交(jiao)聯劑的(de)加入(ru)不起作用(yong)。而對(dui)(dui)錦綸(lun)(lun)織物而言,當交(jiao)聯劑質量濃度(du)為6sL時,能(neng)(neng)降低(di)靜(jing)電(dian)(dian)電(dian)(dian)壓(ya)峰值(zhi)和(he)半(ban)衰(shuai)期,抗(kang)靜(jing)電(dian)(dian)性(xing)最好,這可能(neng)(neng)是(shi)因為抗(kang)靜(jing)電(dian)(dian)劑TF-480通(tong)過交(jiao)聯劑與(yu)錦綸(lun)(lun)發生(sheng)結合(he),提高了抗(kang)靜(jing)電(dian)(dian)劑在錦綸(lun)(lun)上的(de)牢度(du),從而可增加其耐久性(xing)。

3 結(jie)論

1)抗靜電(dian)劑TF-480對滌綸和(he)錦(jin)綸織(zhi)物(wu)均有較(jiao)好的(de)抗靜電(dian)效果(guo),且(qie)耐久性良好。滌綸織(zhi)物(wu)的(de)整(zheng)理(li)(li)工(gong)藝(yi):整(zheng)理(li)(li)劑質量濃(nong)度為30g/L,170℃×30s;錦(jin)綸織(zhi)物(wu)的(de)整(zheng)理(li)(li)工(gong)藝(yi):整(zheng)理(li)(li)劑質量濃(nong)度為30~40g/L,交聯劑質量濃(nong)度為6 g/L,180℃×40s。

2)從分(fen)(fen)子結(jie)構分(fen)(fen)析,由(you)于抗(kang)(kang)(kang)(kang)靜(jing)電劑(ji)(ji)TF-480和滌綸(lun)分(fen)(fen)子的結(jie)構相似,故該抗(kang)(kang)(kang)(kang)靜(jing)電劑(ji)(ji)能與(yu)(yu)滌綸(lun)分(fen)(fen)子較好結(jie)合,在(zai)整理(li)中可(ke)不加交聯(lian)劑(ji)(ji):而錦綸(lun)為聚酰胺高分(fen)(fen)子化(hua)合物,與(yu)(yu)抗(kang)(kang)(kang)(kang)靜(jing)電劑(ji)(ji)TF-480結(jie)構有差異,抗(kang)(kang)(kang)(kang)靜(jing)電劑(ji)(ji)與(yu)(yu)錦綸(lun)纖(xian)維的結(jie)合力不強,為增加抗(kang)(kang)(kang)(kang)靜(jing)電劑(ji)(ji)牢度(du),提(ti)高抗(kang)(kang)(kang)(kang)靜(jing)電的耐久性,可(ke)加入交聯(lian)劑(ji)(ji)三(san)聚氰胺,并以MgCl2為催化(hua)劑(ji)(ji)。

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