2022-06-02 623
電(dian)木是酚(fen)(fen)醛(quan)塑(su)料(liao)。1、電(dian)木是用粉狀的酚(fen)(fen)醛(quan)樹(shu)脂,加進(jin)鋸木屑、石(shi)棉或陶土等混合后,在(zai)高溫(wen)下(xia)用模子壓出成(cheng)品(pin),其中酚(fen)(fen)醛(quan)樹(shu)脂是一(yi)種(zhong)人(ren)工(gong)合成(cheng)的樹(shu)脂。2、酚(fen)(fen)醛(quan)塑(su)料(liao)因(yin)為質料(liao)來(lai)歷豐富,合成(cheng)工(gong)藝簡(jian)單(dan),價格便(bian)宜(yi),產品(pin)又具(ju)有很好(hao)的性能(neng),仍然是上產值的熱固性塑(su)料(liao)。擴展資料(liao):1、電(dian)木因(yin)一(yi)旦加熱成(cheng)型后,便(bian)凝固無法(fa)再塑(su)造成(cheng)其他東西,
2022-05-21 805
電(dian)(dian)木(mu)板(ban)我們也(ye)叫它放電(dian)(dian)板(ban)、膠木(mu)板(ban),實(shi)際上它的(de)學名叫酚醛(quan)層壓(ya)紙(zhi)(zhi)板(ban),紙(zhi)(zhi)板(ban)并不(bu)是(shi)說用(yong)紙(zhi)(zhi)來制造,更(geng)不(bu)是(shi)像紙(zhi)(zhi)相同容(rong)易撕碎(sui),它是(shi)以質量優異的(de)漂白木(mu)積紙(zhi)(zhi)以及棉絨紙(zhi)(zhi)做為(wei)補強物,并以高純度、全組成的(de)石化(hua)質料所反應制成的(de)酚醛(quan)樹脂做為(wei)樹脂粘合劑制造而成。這種(zhong)板(ban)材具有絕緣性,不(bu)產生靜電(dian)(dian)等(deng)特性,因(yin)而被廣(guang)泛應用(yong)于絕緣要求較高
2022-04-06 607
電(dian)木(mu)便是酚醛(quan)(quan)樹(shu)脂。PF (酚醛(quan)(quan)樹(shu)脂)是早期工業化的(de)塑(su)料(liao)種類(lei),于1910年在(zai)完成(cheng)工業化出(chu)產(chan)。出(chu)產(chan)PF的(de)原(yuan)材料(liao)主(zhu)要(yao)是酚類(lei)和醛(quan)(quan)類(lei),常(chang)用的(de)是苯酚和甲醛(quan)(quan),它們在(zai)酸、堿等催化劑(ji)的(de)催化作(zuo)用下,經縮聚反應而得(de)PF。工業上出(chu)產(chan)主(zhu)要(yao)有(you)干法(fa)和濕(shi)法(fa)兩(liang)種。酚和醛(quan)(quan)在(zai)不同的(de)催化劑(ji)作(zuo)用下,可生(sheng)成(cheng)兩(liang)種PF:—種是熱塑(su)性PF,另一種是熱
2022-02-15 830
電木資(zi)料又稱(cheng)為熱固(gu)(gu)(gu)性塑(su)料,以其中常用(yong)的酚(fen)醛樹脂為例,它(ta)是(shi)將塑(su)料打(da)針至(zhi)模具(ju)型腔(qiang)內,經過模具(ju)溫度(du)使資(zi)料產生化學反(fan)應(ying),主動固(gu)(gu)(gu)化,因此稱(cheng)為熱固(gu)(gu)(gu)性資(zi)料。熱固(gu)(gu)(gu)性塑(su)料與熱塑(su)性塑(su)料的區別在于,熱固(gu)(gu)(gu)性是(shi)資(zi)料經過模具(ju)溫度(du)而固(gu)(gu)(gu)化成型,熱塑(su)性則是(shi)資(zi)料在料筒(tong)螺桿中預塑(su)熔融后再打(da)針至(zhi)型腔(qiang)內,經過保壓、冷卻成型。一種
2022-01-10 784
在手(shou)(shou)板(ban)行業,做手(shou)(shou)板(ban)常見的(de)(de)材(cai)料(liao)便(bian)是(shi)(shi)ABS、PC、亞克力、尼龍這(zhe)些材(cai)料(liao),但(dan)是(shi)(shi)用電(dian)(dian)(dian)木(mu)這(zhe)種(zhong)(zhong)材(cai)料(liao)來做手(shou)(shou)板(ban)仍是(shi)(shi)比(bi)較(jiao)少見,甚(shen)至很多人都(dou)沒聽過電(dian)(dian)(dian)木(mu)手(shou)(shou)板(ban)。千萬不要以為電(dian)(dian)(dian)木(mu)是(shi)(shi)木(mu)頭的(de)(de)一種(zhong)(zhong),其實它是(shi)(shi)一種(zhong)(zhong)塑料(liao),它具有較(jiao)高的(de)(de)機械強(qiang)度、杰(jie)出的(de)(de)絕(jue)緣性,耐熱、耐腐蝕,但(dan)是(shi)(shi)電(dian)(dian)(dian)木(mu)材(cai)料(liao)也有它的(de)(de)缺陷,下(xia)面是(shi)(shi)有關電(dian)(dian)(dian)木(mu)手(shou)(shou)板(ban)的(de)(de)優缺陷:電(dian)(dian)(dian)木(mu)這(zhe)種(zhong)(zhong)材(cai)
2021-11-09 624
黑(hei)色電(dian)(dian)木(mu)板(ban)(ban)(ban)和扛靜電(dian)(dian)電(dian)(dian)木(mu)板(ban)(ban)(ban)都是黑(hei)色的(de),那(nei)么(me)咱們怎樣(yang)去區(qu)別(bie)哪(na)個是黑(hei)色電(dian)(dian)木(mu)板(ban)(ban)(ban)哪(na)個是扛靜電(dian)(dian)電(dian)(dian)木(mu)板(ban)(ban)(ban)呢? 相信有些客(ke)戶(hu)在心中(zhong)仍是會有這樣(yang)擔心的(de),我花(hua)著扛靜電(dian)(dian)板(ban)(ban)(ban)的(de)錢(qian),會不會廠商給的(de)是普通的(de)黑(hei)電(dian)(dian)木(mu)呢?本(ben)文就為您(nin)簡(jian)(jian)單解釋一(yi)下區(qu)別(bie)的(de)辦法。首要,在沒(mei)買之前,咱們只能經過觀察,如果(guo)有檢測儀器,則能夠很簡(jian)(jian)單的(de)區(qu)別(bie)出(chu)來。
2021-10-04 773
電木(mu)(mu)板的(de)組成是由(you)漂(piao)白(bai)木(mu)(mu)槳紙浸以酚(fen)醛(quan)樹脂脂熱壓而成的(de)酚(fen)醛(quan)層壓紙板。電木(mu)(mu)的(de)化學名稱叫(jiao)酚(fen)醛(quan)塑料。酚(fen)類和醛(quan)類化合(he)物在酸(suan)性或(huo)堿性催化劑(ji)(ji)起到下(xia),經縮聚反應(ying)可制得(de)(de)酚(fen)醛(quan)樹脂。廣(guang)東電木(mu)(mu)廠將酚(fen)醛(quan)樹脂和鋸(ju)木(mu)(mu)粉(fen)(fen)、滑石(shi)粉(fen)(fen)(填料)、烏洛托(tuo)品(固化劑(ji)(ji)),硬(ying)脂酸(suan)(潤滑劑(ji)(ji))、顏料等充份混合(he),并在混煉(lian)機中冷卻混煉(lian),即得(de)(de)電木(mu)(mu)粉(fen)(fen)。將電木(mu)(mu)
2021-10-04 1593
電木板(ban)(ban)(ban)咱們也叫它放電板(ban)(ban)(ban)、膠木板(ban)(ban)(ban),實(shi)際上它的學名叫酚醛層壓紙(zhi)(zhi)板(ban)(ban)(ban),紙(zhi)(zhi)板(ban)(ban)(ban)并不是(shi)(shi)說(shuo)用紙(zhi)(zhi)來制(zhi)(zhi)作(zuo),更(geng)不是(shi)(shi)像紙(zhi)(zhi)相同容易撕碎,它是(shi)(shi)以(yi)品質優的漂(piao)白(bai)木積紙(zhi)(zhi)及(ji)棉絨紙(zhi)(zhi)做為(wei)(wei)補強物,并以(yi)高純度、全組(zu)成(cheng)的石化原料所(suo)反響制(zhi)(zhi)成(cheng)的酚醛樹(shu)脂(zhi)做為(wei)(wei)樹(shu)脂(zhi)聯合劑(ji)制(zhi)(zhi)作(zuo)而成(cheng)。厚(hou)度:(1)常用的電木板(ban)(ban)(ban)厚(hou)度一般(ban)有1,3,5,8,10,12,15,18,20mm。
2021-09-09 579
電(dian)木板(ban):紙質(zhi)電(dian)木板(ban)是(shi)常(chang)見的(de)層(ceng)壓(ya)(ya)板(ban),也(ye)是(shi)世界(jie)上(shang)用(yong)處廣、使用(yong)量(liang)多的(de)工業層(ceng)壓(ya)(ya)板(ban)。也(ye)稱(cheng)作膠木板(ban)、酚(fen)醛層(ceng)壓(ya)(ya)紙板(ban),是(shi)一(yi)種硬而(er)脆的(de)熱固性(xing)塑(su)料。功(gong)能(neng):耐腐蝕,堅韌扛磨,尺度(du)(du)穩定,電(dian)絕緣功(gong)能(neng)優(you)異。常(chang)溫(wen)下電(dian)氣功(gong)能(neng)佳,機械加(jia)工功(gong)能(neng)強(qiang),比重1.45,翹(qiao)曲度(du)(du)≤3‰,機械強(qiang)度(du)(du)高電(dian)功(gong)能(neng)優(you)于其他酚(fen)醛棉布板(ban),可作更精密加(jia)工。用(yong)處:
2021-08-31 644
下面(mian)來跟大(da)家共享一些(xie)電(dian)木(mu)板(ban)加(jia)工(gong)后的(de)用(yong)途:1、常溫下電(dian)氣(qi)(qi)功能(neng)佳,機械加(jia)工(gong)功能(neng)好,比重1。45,翹曲度≤3‰,具有(you)優良的(de)電(dian)氣(qi)(qi)、機械及加(jia)工(gong)性(xing)質。紙(zhi)質電(dian)木(mu)板(ban)是常見(jian)的(de)層(ceng)壓(ya)板(ban),也(ye)是世界上用(yong)途廣、使(shi)用(yong)量多的(de)工(gong)業層(ceng)壓(ya)板(ban)。2、機械強(qiang)度杰出,防止(zhi)靜(jing)電(dian),中級電(dian)氣(qi)(qi)絕緣性(xing),是由絕緣浸(jin)漬紙(zhi)浸(jin)以酚醛(quan)樹脂,經(jing)烘焙、熱(re)壓(ya)而成。