在離型紙的選擇方面,主要考慮到成本,產品質量,生產程序,所備產品的特性及使用情況!所備產品特性:現在國內較常用的進口膠帶3M,日東,索尼,德莎及一些國產膠帶.因為不同的膠帶膠水特性不同.這決定了我們在選擇離型紙的時候要考慮此方面的情況。
In the choice of paper, we mainly consider the cost, product quality, production procedures, prepared product characteristics and use of the situation! Product features: now the most commonly used are imported tape 3M, Japan, SONY, Desa and some domestic tape because different tapes have different adhesive properties. This determines that we should consider this aspect when choosing the release paper. Cost: there is a big difference between domestic and imported release paper.
成本:國內和進口的離型紙有很大區別,普遍來說國產離型紙的口啤并不是很好,比如有時備膠時會出現表面離型不良,不能夠把離型紙和產品很好的撕開的情況,當然目前國內的技術成熟后此方面的情況已很少出現.國內的離型紙肯定比進口的便宜.并且有一個比較大的價格差,公司需綜合來考量。
Generally speaking, the public praise of domestic release paper is not very good. For example, sometimes there will be poor surface release when glue is prepared, and the release paper and product can not be torn well. Domestic release paper is certainly cheaper than imports. As there is a relatively large price difference, the company needs to consider comprehensively.
深圳離型紙廠由于氣候的關系,電子模切工業冬季宜選用剝離力偏重的離型紙,夏季宜選用剝離力偏輕的離型紙。特殊需求的膠帶,在模切過程中使用的離型紙,需與離型供應商接洽。在作深度測試、對比后方可進行生產活動,以免成品產生質量問題。涂膠廠一般均選用高涂布量的離型紙,而復合廠一般均選用中等涂布量的離型紙,若是熱復合,也需要選擇高涂布量的離型紙,水膠僅需要低涂布量的離型紙即可,中等涂布量的離型紙適合油膠及保護膜使用,高涂布量的離型紙不適合保護膜使用。生產程序:這里重點是是否要沖壓或者切割,一般涉及到沖壓或者切割時,會要求離型紙的厚度,因為低克重的離型紙在用于沖壓的時候,不易沖斷,當然,這也和底紙的易碎度有關,易碎度不好的底紙在沖壓或者切割的時候會把紙和產品撕開.達不到理想或者說想要的效果。
Due to the impact of the climates, electronic die cutting industry in winter should choose the release of heavy peeling force paper, in summer should choose the release of light peeling force paper. Special requirements of tape, in the process of die cutting to use the release paper, need to contact with the release supplier. Production activities can be carried out after in-depth testing and comparison to avoid quality problems in finished products. Glue factory generally selects the high amount of coating from type paper, and the composite factory general medium was used for the coating weight from type paper, if thermal compound, also need to choose high coating weight from type paper, glue water only need lower coating weight from type paper, medium coating weight from type paper suitable for oil glue and protective film, high coating weight from type paper is not suitable for protective film. Production process: the focus here is whether to stamping or cutting, generally involves the stamping or cutting, will demand from the thickness of the paper, because of the low gram from type paper when used for stamping, difficult thrust, of course, this also and bottom paper fragile degrees, fragile degree of bad bottom paper at the time of stamping or cutting will tear the paper and products. Do not achieve the desire effect.
離型紙的分類,可以按有塑離型紙和無塑離型紙分類;有塑離型紙,因為離型劑具有一定的滲透性能,如果沒有一定的阻隔,離型劑會滲透到紙張內部,造成固化不良以及離型劑使用量偏大(成本過高)等諸多不良因素。所以需要在紙上做涂塑處理(俗稱淋膜),國內一般使用聚乙烯(PE)粒子進行淋膜,要求熔融指數在7左右,國產PE粒子一般選用石化的1C7A。
Release paper can be classified by plastic release paper and non-plastic release paper. Plastic release paper, because the release agent has a certain permeability, if there is no certain barrier, the release agent will penetrate into the paper, resulting in poor curing and release agent usage (high cost) and many other adverse factors. So need to do plastic coating on paper (commonly known as film), domestic generally use polyethylene (PE) particles for film, melting index is required in about 7, domestic PE particles generally choose petrochemical 1C7A.