1. Definition of potassium polypropylene.

Potassium polyacrylate is the potassium salt of polypropylene with the chemical formula [-CH2-CH(CO2K)-]n. As a super absorbent polymer, it can absorb its original weight of water in pure water hundreds of times.

 

Unlike sodium polyacrylate, potassium polyacrylate can be used as an agricultural water retention agent and does not cause soil salinization.

 

2. Uses of potassium polyacrylate.

 

Water retention agent.

 

Potassium polyacrylate is a strong water-absorbing polymer (Ag-SAP) for plants to increase water supply to plants.

 

When mixed with soil, it can improve the soil's water retention capacity (the hydrogel form can stay in the soil for months) and can be used for plants. This amended soil easily releases water along with water-soluble nutrients to plant roots on demand. Polypropylene potassium has a weaker residual than the roots of most plants.

 

It can be used for seed coating, seedlings, crops, crop surface treatment, tree seeding/transplanting, and flower transport.

 

Mechanism of action.

 

Polypropylene potassium acts similar to a sponge under the soil surface. It consists of a set of polymer chains that are chemically linked together into a water-insoluble web-like matrix and ground to absorb and hold hydrogen molecules. Its molecular structure's enormous size and weight allow the potassium polypropylene particles to absorb more than 500 times their original weight in pure water.

 

It does not "bind" water. Polypropylene potassium particles release the right amount of water according to the water absorption of the plant roots. Standing water and other "free" water fill the soil stomata without adverse effects.

 

Polypropylene potassium maximizes plant growth by reducing plant stress. It also absorbs and releases soil nutrients, water-soluble fertilizers, and chemicals in the same way as water, creating a healthy microenvironment in the plant root zone. The result is fast germination, quick seed emergence, stable growth, less water, and fewer inputs for high-quality edible plant yields.

 

Polypropylene potassium is used as a soil conditioner to improve the water retention capacity of the soil.

 

3. Disadvantages of potassium polypropylene.

 

Potassium polypropylene without acrylamide. Advantages: Acrylamide-free, completely harmless Disadvantages: Short expiration date (soil can be used for 1~3 months).

 

4. Potassium polypropylene versus sodium polyacrylate.

 

Potassium polyacrylate absorbs water after rain or irrigation and becomes a hydrogel... Unlike potassium polypropylene, sodium polyacrylate's hydrogel does not release water to plants and breaks down within a few days after mixing with soil. This means that sodium polyacrylate does not help plants grow.

 

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