Heat contractibility rate measuring method for furniture thermoplastic plastic edge sealing stripes
A thermoplastic and heat shrinkage technology, applied in the direction of material thermal expansion coefficient, etc., can solve the problems of complex test operation, insufficient test representativeness, complex equipment and equipment, etc., achieve simple test equipment, save test cost and test time, and measure The effect of simple method
Active Publication Date: 2012-09-12
东莞市华富立装饰建材有限公司
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Problems solved by technology
In the traditional technology, the determination of the heat shrinkage rate of plastic edge banding is generally realized by the heat shrinkage measurement of the heat shrinkable film. The disadvantage of this measurement method is that the representativeness of the test is not high enough; the equipment used for the test is relatively complicated, and the cost High, such as the test required by the national standard requires the use of constant temperature bath, liquid pad medium, etc., and the test operation is more complicated and cumbersome
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[0018] In this example, refer to figure 1 , the thermal shrinkage rate measuring method of described furniture thermoplastic edge banding, carry out according to the following steps:
[0019] 1) Prepare the circulating air oven 1, vernier caliper, test bench 2, timer (not shown), glass plate 3 and talc powder 4, and the specification of the glass plate is 300×300mm;
[0020] 2), prepare five edge banding samples 5, of course it can be 3 or 4, the length is 200mm, and the error is 0.5mm;
[0021] 3) Put the test bench into the circulating air oven 1, sprinkle talcum powder 4 on the glass plate 3, and spread it evenly, and put the glass plate 3 on the test bench 2;
[0022] 4), adjust the temperature of the circulating air oven 1 to 65°C, of course it can also be between 60-70°C, and then place the sample 5 on the talcum powder 4 on the glass plate 3;
[0023] 5) Sample 5 was kept in the circulating air oven 1 for 4 hours and then taken out, placed horizontally at room tempe...
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Abstract
The invention discloses a heat contractibility rate measuring method for furniture thermoplastic plastic edge sealing stripes. The heat contractibility rate measuring method comprises the following steps of: preparing a circulating air oven, a test desk, a timer, a glass plate and talcum powder; preparing a sample and measuring the length L1; placing the test desk in the circulating air oven, andplacing the glass plate on the test desk and uniformly spreading the talcum powder; adjusting the temperature of the circulating air oven to 60 to 70 DEG C, and placing the sample on the talcum powder; timing by utilizing the timer, taking out the sample after 4 hours, horizontally placing the sample for cooling at the room temperature, and measuring the length L2; and calculating the heat contractibility rate according to a formula. The invention adopts simple devices comprising the circulating air oven, the test desk, a slide calliper, the glass plate and the talcum powder. The temperature is controlled by the circulating air oven, i.e. the heat contractibility rate of edge sealing stripe products can be directly measured. The measuring method is simple and visual, the measuring result comes from practical per se, and the heat contractibility rate of the furniture edge sealing stripe products before and after edge sealing can be conveniently measured, thus the measuring result is more accurate.
Description
technical field [0001] The invention relates to the technical field of heat shrinkage detection of products, in particular to a method for measuring the heat shrinkage rate of thermoplastic edge banding strips for furniture. Background technique [0002] Furniture edge banding is a material for protecting, decorating and beautifying the outline of furniture panels. Its main function is to seal the section of the panel so as to prevent the panel from being damaged by the environment and unfavorable factors (mainly moisture) during use. And prevent the volatilization of formaldehyde inside the board, and at the same time achieve the effect of decoration, its material is mostly made of PVC and other plastics. Heat shrinkage rate is one of the important indicators to measure the heat resistance of plastic edge banding, and it is also one of the important standards to measure the quality of plastic edge banding. In the traditional technology, the determination of the heat shrink...
Claims
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IPC IPC(8): G01N25/16
Inventor 谭洪汝谢志昆雷厚根
Owner 东莞市华富立装饰建材有限公司