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液體增白劑及存儲辦法


網址:http://ohhyto.com彩票网站代理加盟群  時間:2018-10-31 11:10:53

液體增白劑及存儲辦法
Liquid whitening agents and storage methods
造紙用液體彩票网站代理加盟群HPE 功能外觀: 琥珀色通明液體化學結構: 二胺基二苯乙烯四磺酸衍生物分子式:C 14 H 14 N 2 O 12S 4 耐酸堿性: 在pH3~12范圍內適用(特殊情況除外) 溶解性: 能與水以任何份額溶解產品pH值: 7~10 密度(25℃): 1.11~1.20g/cm? 含量:35力分粘度(25℃): ≤50m.pa.s 離子性: 呈陰離子性牢度性: 與同類產品比較,HPE增白劑具有相同日曬牢度及耐酸堿牢度毒性對家兔的試驗標明,對皮膚及粘膜安排均無刺激性,在正常的出產運用中,不會對人體健康帶來任何影響。在貯存、轉移及運用HPE時,應按照慣例化學品的衛生及安全規則進行。增白原理造紙用液體彩票网站代理加盟群HPE是一種光學增白劑,它能吸收紫外光而激起蘭紫色的可見光,然后使被染物顯得更白更艷.
Liquid fluorescent whitening agent HPE for paper making: Amber clear liquid chemical structure: Diamino stilbene tetrasulfonic acid derivative molecular formula: C 14H 14N 2O 12S 4 acid and alkali resistance: applicable in the pH range of 3-12 (except in special cases) solubility: can dissolve with water in any share of the pH value of the product: 7-10 density (25 C): 1.11-1.2 0 g / cm? Content: 35 force fraction viscosity (25 C): < 50 m. Pa. s ionicity: anionic fastness: compared with similar products, HPE whitening agent has the same sun fastness and acid and alkali fastness toxicity to rabbits test marking, no irritation to skin and mucosal arrangement, in normal production and application, will not bring any responsibility to human health. What does it affect? When storing, transferring and using HPE, it should be carried out in accordance with the hygiene and safety rules of conventional chemicals. The liquid fluorescent whitening agent HPE for paper making is an optical whitening agent. It can absorb ultraviolet light and excite blue-purple visible light, then make the dyed products appear more white and bright.
適用范圍對紙漿進行熒光增白對內施膠紙、加填料紙、未加填料及紙板的紙漿中于pH4.5~10條件下運用HPE液體彩票网站代理加盟群進行熒光增白在外表施膠進程中進行熒光增白可在以水溶性淀粉為根底的施膠液中及與聚乙烯醇(PVA),羧甲基纖維素(CMC)及海藻鹽同浴運用. 在涂料進程中進行熒光增白彩票网站代理加盟群HPE對涂布進程進行增白,要達抱負作用,需用適量的輔助粘合劑,如PVA、CMC等。
Applicability of fluorescent whitening of paper pulp to fluorescent whitening of internal sizing paper, packed paper, un-packed and paperboard pulp at pH 4.5~10 using HPE liquid fluorescent whitening agent in the process of external sizing fluorescent whitening can be used in the sizing solution with water-soluble starch as the base and with polyvinyl alcohol (PVA), carboxymethyl fiber (CMF). Vitamin (CMC) and algae salt are used in the same bath. Fluorescent whitening fluorescent whitening agent HPE is used to whiten the coating process in order to achieve the desired effect. Appropriate amount of auxiliary adhesives, such as PVA and CMC, are needed.
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明顯長處在任何條件下能夠恣意倍量的水溶解均勻,并能在紙漿中快速均勻渙散,然后確保制品紙質量的安穩。比VBL增白劑具有更好的耐侯性及耐光性,制品紙不易黃變。即使在pH值很低的條件下運用,仍可取得良好的增白作用,這是VBL增白劑遠不及的。產品呈液態,不象VBL增白劑溶解時構成粉塵污染環境,維護了操作人員的身體健康,且可接連加料,運用特別方便。應用在配料內對紙漿進行增白液體彩票网站代理加盟群HPE能夠間歇方法參加碎漿機或混合槽中運用,參加時一般不需稀釋,但需使紙漿與HPE充沛混合均勻。在運用明礬或陽離子助劑時,應先參加HPE增白劑,不宜將其一同運用。HPE增白劑也可接連參加制漿儲藏液中或以原液構成直接在紙漿儲藏液體系的合適部位參加。
The obvious advantage is that under any conditions can be arbitrarily multiple water solubility uniform, and can quickly uniform dispersion in the pulp, and then ensure the stability of the quality of paper products. Compared with VBL brightener, it has better weatherability and light resistance, and the paper is not easy to yellowing. Even in very low pH conditions, still can achieve good whitening effect, which is far less than VBL whitening agent. The product is liquid, unlike VBL whitening agent when dissolved to form dust pollution environment, to maintain the health of the operator, and can be continued to feed, especially convenient to use. HPE, a liquid fluorescent whitening agent, can be used intermittently in pulp crusher or mixing tank. It does not need to be diluted, but must be mixed well with HPE. When alum or cationic additives are used, HPE brighteners should not be used together. HPE whiteners can also be added to the pulping storage liquor or the pulp storage liquor directly in the appropriate part of the pulp storage liquid system.
雖然HPE增白劑對纖維素纖維具有較高的親和力,但其所取得的白度取決于原漿的白度和增白時刻,體系中漿料稠度比較高時參加增白劑,可取得較抱負的增白作用。對紙漿增白合適的pH值為4.0~10。主張用量:HPE液體增白劑對絕干紙漿分量為0.05~1.4%范圍內選用。在外表施膠進程中進行增白彩票网站代理加盟群HPE能夠與施膠中常用的淀粉等一同運用以到達比較好的增白作用。HPE能與CMC、PVA及陰離子、弱陽離子組成施膠劑一同作用。在原紙制作進程中,原紙的pH值會對其增白作用發生較大影響。
Although HPE whitening agent has a high affinity for cellulose fiber, the whiteness obtained depends on the whiteness and whitening time of the original pulp. When the consistency of the pulp is the highest, whitening agent can be used to achieve a more ambitious whitening effect. The suitable pH value for pulp whitening is 4.0~10. Dosage: HPE liquid brightener for dry dry pulp content of 0.05~1.4%. HPE, a fluorescent whitening agent, can be used together with starch in sizing process to achieve the best whitening effect. HPE can react with CMC, PVA and anion and weak cation as sizing agent. In the process of making base paper, the pH value of base paper will have a great influence on its whitening effect.
當流漿前pH值大于5時,可取得較抱負增白作用。若pH值小于5,HPE增白劑比一般二苯乙烯雙三嗪型增白劑增白作用更為抱負,如常用的VBL增白劑。主張用量:在施膠液中的濃度為0.5~12g/l。在特殊情況下,如因為設備的要素而使淀粉的上染率較低,則HPE增白劑的用量可增加到在施膠液中濃度為25g/l。在涂布進程中進行增白 HPE增白劑親水性極強,具有十分優良的貯存安穩性。長時刻置于0℃以下,HPE增白劑將凝結,當到達常溫,或在50℃以下加熱消融后,不影響運用。 HPE液體增白劑在未運用前對光靈敏,請注意避免陽光直接照耀。
When the pH value is more than 5 before flowing, it can achieve a more desirable whitening effect. If the pH value is less than 5, HPE whitening agent is more ambitious than ordinary stilbene ditriazine whitening agent, such as the commonly used VBL whitening agent. Dosage: the concentration in the sizing solution is 0.5~12g/l. In special cases, if the dyeing rate of starch is low due to the equipment elements, the amount of HPE whitening agent can be increased to 25 g/l in the sizing solution. In the coating process, whitening agent HPE has strong hydrophilicity and has excellent storage stability. The HPE whitening agent will coagulate when it is kept below 0 C for a long time, and will not affect its application when it reaches normal temperature or is heated and ablated below 50 C. HPE liquid whitening agent is sensitive to light before it is applied. Please avoid direct sunlight.
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To sum up all the above information provided by Shandong Jiling Chemical Co., Ltd., for more information about fluorescent brightener manufacturers, please visit our website: http://ohhyto.com Thank you for your support!

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