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 Posted: Sun 4:04, 08 May 2011 Post subject: magasin abercrombie Plastic extrusion compounding |
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Plastic extrusion composite technology
Ink fools Results adverse; cAC agent in former times with PE bag Lu, Lane 198, No. 9 @ 1 t68L filling material liquid detergents category Fillingof Ma Fenglan MaFenglanTheauthorlooksatthedesigningfe0turesofliquiddetergent (visoos ~ tymeasured600 ~ 2000cp) fillingmachines. withpistontypefilingheadeingproposed. andvariousmeasurestoprever ~ detersentfoamingandleakinginfillingperiodaswellasSOIT ~ princi ~ estoobeywhendesigningbottlestosuittheneedsformechanicaIfillingoperation. * The writer is senior engineer light off Yan packaging research and technological development with the continuous improvement of living standards, liquid detergent products such as detergent, shampoo, hair conditioner liquid soap, etc., have more and more people accepted yield a very high speed up growth. But these products in China are basically hand-filling, low investment efficiency, the workers labor-intensive. As production soared, the products of high sanitary requirements, leading manufacturers have required the filling in place of a mechanical hand behind the filling. Liquid detergent products have the following characteristics: First of all,[link widoczny dla zalogowanych], easy to produce such products l foam, with a moderate degree, revolves around (about 600-200o centipoise), poor mobility,[link widoczny dla zalogowanych], slightly alkaline; its joy, its containers must Most plastic containers, because these products are mainly used as daily life and health supplies, in addition to practical requirements can also be used as decorations outside the showroom, the beautiful life. Plastic bottles, light texture, safety and reliability, monitoring can often change the color, change shape, just to meet these requirements. However, because such products are viscosity, foaming, plastic bottles of light, shape varied,[link widoczny dla zalogowanych], so a bottle of liquid detergent products in terms of both delivery and filling with a certain particularity. Filling 1. Measurement of a certain viscosity of liquid detergent, poor mobility, the natural flow by gravity flow very slowly, so these products to use more filling plunger (Figure 1), mainly formed by the plunger and check valves. Piston-cylinder units not only, when the reciprocating piston filling Shiyou generate power. When the piston driven by external power when the downward movement of the upper part of the cylinder to form negative pressure, poor bond. In addition, poor adhesion substrate and ink, but it does not belong to the scope of discussion from the AC agent by itself,[link widoczny dla zalogowanych], if it and the substrate, ink or PE in any material difference between invasive shaking, then they are in contact interface to easily layer; course AC Jing Jing in the presence of residual solvent metamorphic AC agent, two liquid type AC mistake or curing agent ratio of bad, can result in lower bond strength to analyze from the substrate, substrate folding additives, substrate moisture content is too high or the substrate surface can affect the bond strength of a foreign body. From ink to analyze the cohesion of their low ink, ink the existence of active groups in the 64/1989Vo1.9No. ICHINAPACKAGING a foreign body in the dirty ink adhesion and ink residual solvent will affect the bond strength of multiple platform layers. PE B aims to discuss from the point off, to discuss the processing temperature of resin and resin additives, low precipitation, are the reasons causing poor fools Results. Results adverse factors for fools should take different measures to resolve. Taiwan must first choose appropriate AC agent (see Table 1), do not use bad AC agent, coating should be dry after being baked in the residual solvent completely evaporate; such as using two liquid-based AC agent, the ratio should be correct, Tu cloth after heat curing according to process requirements. Also reasonable choice of substrate, ink and discussion looking. 2. Products smell: PE extrusion processing temperature is high because, in addition to a printed substrate delamination monitoring agent using the AC coating, therefore, it is easy to make products happen smell of packing effects. Odor has the following main reasons: aPE high temperature oxidation and decomposition} b. Ink their own odor and the odor of residual solvent ink fc. AC AC agent's own odor and residual solvent odor agent. The reason for the odor it may be appropriate to control the PE extrusion temperature, the compound developed excellent ink and AC Jing; and step in printing ink and fabric AC agent,[link widoczny dla zalogowanych], completely remove the ink layer and the AC residual solvent coating method . ● a tomb one by one
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