Silica gel pad, and preparation method thereof

Abstract

The invention belongs to the field of silica gel product processing, and especially relates to a silica gel pad, and a preparation method thereof. According to the preparation method, liquid state silica gel is prepared from vinyl polysiloxane, white carbon black, and hydrogen-containing polysiloxane; certain amounts of the liquid state silica gel, dimethicone, a platinum catalyst, and a silica gel color paste are stirred at vacuum conditions, wherein stirring time is controlled to be 60min or shorter, stirring speed is controlled to be 30 to 70rpm, temperature is controlled to be 25 DEG C or lower, vacuum degree is controlled to be -0.09MPa or lower, and vacuum treatment time is controlled to be 20 to 40min; after uniform stirring, a silica gel precoating product is prepared, a reinforcing substrate taken as a supporting material is selected, the reinforcing substrate is coated with the silica gel precoating product so as to obtain a silica gel composite material; and the silica gel composite material is subjected to high temperature baking for 3 to 10min at 80 to 160 DEG C; after baking, the reinforcing substrate is removed so as to obtain the silica gel pad finished product. The silica gel pad is prepared based on scientific formula via advanced technology, is suitable to be used in different food steaming boxes and baking boxes, and is promising in market prospect.

Description

technical field [0001] The invention belongs to the field of silica gel product processing, and in particular relates to a silica gel pad used in contact with food and a preparation method thereof. Background technique [0002] Steaming and roasting are common cooking methods. For steaming, the seasoned food raw materials are placed in a container, and then the container is placed in a steamer to use steam to transfer heat and quickly mature the food raw materials. processing methods. Especially for the steaming of pasta food, in order to prevent the bottom of the pasta from sticking to the container, a steaming pad is usually placed on the container. Steamed food has been welcomed by more and more people, so the choice of steaming pads has gradually attracted attention. There are various kinds of steaming mat materials in the existing market, such as cotton linen, bamboo grass, disposable paper, metal, and even plastic woven bags are used as steaming mats, although steami...

AI Technical Summary

Problems solved by technology

At present, the common baking mats on the market are made of iron wires with a mesh structure. Although the structure is simple and easy to use, the oil exuded from the food raw materials during the baking process is very easy to stick to the mats, making it difficult to clean later. Easy to breed bacteria

Baking on paper is to place food on a paper baking mat for baking. Although it can reduce the chance of burning to a certain extent, like paper steaming mats, paper baking mats cannot be reused, causing The problem of waste of resources does not conform to the purpose of environmental protection advocated by modern society