One-step production method for degradable biological latex
A technology of biological latex and production method, which is applied in the field of production technology of degradable biological latex, can solve the problems of large demand, high product price, consumption of petroleum resources, etc., and achieves the effects of high reaction efficiency, reduction of thermal energy consumption, and convenient material acquisition.
Active Publication Date: 2015-01-07
诸城兴贸玉米开发有限公司
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Problems solved by technology
The demand for petroleum-based styrene-butadiene latex or propylene styrene latex used as a paint binder in the coating process is huge, which is a huge consumption of non-renewable petroleum resources. At the same time, there is a lot of pollution in the production and use process. High, severely hampered the development of the paper industry, urgently need to develop alternatives
[0003] At present, there are many substitutes for the disclosed petroleum-based latex, and the use of starch-based as a substitute is one of them, but most of these substitutes cannot adapt to the current high-speed and large-width paper machines, and with the progress of the paper industry, high Content coatings have been widely used, and traditional modified starch can no longer fully meet the needs of the paper industry
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[0014] The one-step production method of degradable bio-latex, as a preferred embodiment, this process is made by the following method: first place the dry corn starch in the mixing device, and then spray into the mixing device sequentially into the relative starch dry basis weight 1.5 % hydrochloric acid, a solution of 0.4% sodium trimetaphosphate relative to the dry weight of starch and a solution of 3% acrylic acid relative to the dry weight of starch, and mixed with corn dry starch evenly, and then sprayed into 0.05% of the relative dry weight of starch hydrogen peroxide, and mix uniformly to form a cornstarch mixture; then use a 60-mesh sieve to sieve the above-mentioned cornstarch mixture; put the sieved cornstarch mixture into an extrusion device for extrusion and aging treatment; put the matured corn The starch mixture is crushed, dried and cooled in sequence to obtain the finished biodegradable latex.
[0015] The mixing device in this embodiment includes a twin-screw...
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The invention discloses a one-step production method for a degradable biological latex. The one-step production method comprises the following steps of: firstly placing dry corn starch in a mixing device, sequentially spraying hydrochloric acid, sodium trimetaphosphate solution, acrylic solution and hydrogen peroxide into the mixing device, uniformly mixing to form a corn starch mixture, then sieving the corn starch mixture by utilizing a sieve body of 48-65 meshes, placing the sieved corn starch mixture in a squeezing device to carry out squeezing curing treatment, and sequentially smashing, drying and cooling the cured corn starch mixture to prepare a degradable biological latex finished product. According to the process, the main raw material of the corn starch is a renewable biological resource, easily obtained, biodegradable and pollution-free. By adopting the production technology of a squeezing method, the crystal structure of the starch can be damaged, and therefore, a molecular chain is fully extended and exposed, the starch is pre-gelatinized, the product can be dissolved in cold water, the emission of three wastes can not be generated, and the one-step production method is beneficial to environment conservation.
Description
technical field [0001] The invention relates to a production process of degradable biological latex. Background technique [0002] Coated paper is an important type of paper in the paper industry. With the development of the economy, as a high-grade variety of paper, its demand is increasing. The demand for petroleum-based styrene-butadiene latex or propylene styrene latex used as a paint binder in the coating process is huge, which is a huge consumption of non-renewable petroleum resources. At the same time, there is a lot of pollution in the production and use process. High, severely hampered the development of the paper industry, urgently need to develop alternatives. [0003] At present, there are many substitutes for the disclosed petroleum-based latex, and the use of starch-based as a substitute is one of them, but most of these substitutes cannot adapt to the current high-speed and large-width paper machines, and with the progress of the paper industry, high Content...
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IPC IPC(8): C08J3/05C08J3/24C08L51/02C08K3/32C08F251/00C08F220/06C08B30/12B29C47/92B29C48/92
CPCB29C47/92
Inventor 邱立忠黄亮亮卞希良孙纯锐
Owner 诸城兴贸玉米开发有限公司