Starch blended cellulose aerogel as well as preparation and application thereof
A cellulose aerogel, microcrystalline cellulose technology, applied in aerogel preparation, colloid chemistry, colloid chemistry and other directions, can solve the problems of expensive materials, complex preparation process, etc., achieve low-cost raw materials, simplify the preparation process, Take advantage of the effect
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specific Embodiment approach 1
[0062] Specific embodiment 1: A preparation method and performance characterization of starch blended cellulose airgel
[0063] 1. Preparation of starch blended cellulose airgel
[0064] 1. Starch blended cellulose wet gel system
[0065] (1) prepare the blend solution of microcrystalline cellulose, high amylose cornstarch and water
[0066] Accurately weigh 4 g (accurate to 0.0001 g) of microcrystalline cellulose and high-amylose cornstarch into a beaker, and the mass ratio of microcrystalline cellulose to high-amylose cornstarch is 19:1. Measure 81 mL of distilled water and add it to the mixture of microcrystalline cellulose and high amylose corn starch to form a suspension of 0.049 g / mL. A sample without high amylose corn starch was used as a blank control. The suspension was sheared at a high speed of 8000r / min for 10min.
[0067] (2) High pressure homogeneous treatment
[0068] The mixed solution of sheared and refined microcrystalline cellulose and starch was homoge...
specific Embodiment approach 2
[0090] Embodiment 2: A preparation method and performance characterization of starch blended cellulose airgel
[0091] 1. Preparation of starch blended cellulose airgel
[0092] 1. Starch blended cellulose wet gel system
[0093] (1) prepare the blend solution of microcrystalline cellulose, high amylose cornstarch and water
[0094] Accurately weigh 4 g (accurate to 0.0001 g) of microcrystalline cellulose and high-amylose cornstarch into a beaker, and the mass ratio of microcrystalline cellulose and high-amylose cornstarch is 9:1. Measure 81 mL of distilled water and add it to the mixture of microcrystalline cellulose and high amylose corn starch to form a suspension of 0.049 g / mL. A sample without high amylose corn starch was used as a blank control. The suspension was sheared at a high speed of 8000r / min for 10min.
[0095] (2) High pressure homogeneous treatment
[0096] The mixed solution of sheared and refined microcrystalline cellulose and starch was homogenized und...
specific Embodiment approach 3
[0118] Embodiment 3: A preparation method and performance characterization of starch blended cellulose airgel
[0119] 1. Preparation of starch blended cellulose airgel
[0120] 1. Starch blended cellulose wet gel system
[0121] (1) prepare the blend solution of microcrystalline cellulose, high amylose cornstarch and water
[0122] Accurately weigh 4 g (accurate to 0.0001 g) of microcrystalline cellulose and high-amylose cornstarch into a beaker, and the mass ratio of microcrystalline cellulose to high-amylose cornstarch is 17:3. Measure 81 mL of distilled water and add it to the mixture of microcrystalline cellulose and high amylose corn starch to form a suspension of 0.049 g / mL. A sample without high amylose corn starch was used as a blank control. The suspension was sheared at a high speed of 8000r / min for 10min.
[0123] (2) High pressure homogeneous treatment
[0124] The mixed solution of sheared and refined microcrystalline cellulose and starch was homogenized und...
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