Hydroxyethyl Cellulose (HEC)-for oil

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Product introduction

HEC is a series of non-ionic soluble cellulose ethers, which can be dissolved in hot and cold water, and has the characteristics of thickening, suspending, adhesive, emulsion, film coating and super absorbent polymers protective colloid, which is widely used in paints, cosmetics, oil drilling and other industries.

Physical and chemical index

ITEM

CAS: 9004-62-0

INDEX

Moisture                     %

≤5.0

Ash content                  %

≤1.0

Viscosity                 mpa.s

300-150000

Light transmittance         %

82

PH

5.0-8.0

D.S.

1.8-2.5

Appearance

white or off-white fibrous or granular powder, odorless, tasteless

Application

Oilfield Industry Application Guide

● HEC thickening agent can be used as thickner of the well workover fluid and cementing agent. Help to provide clarification of the low fixed content solution, thus greatly reducing the structural damage to the wells. The liquid thickening by Hydroxyethyl Cellulose can be easily decomposed by acids, enzymes or oxidants, greatly improving the ability to recover hydrocarbons.
● Fluid in the well, HEC is used as proppant carrier. These liquids can be easily cracked through the process.
● HEC configuration using drilling fluid, based on its low solids content, can effectively increase drilling stability. These properties can be used to inhibit the fluid medium to high hardness of the rock and heavy shale or shale drilling.
● Reinforcement in the cement operations, HEC can reduce the hydraulic friction, minimize the loss of rock and water loss.

Oil industry use recommended

Specification

Viscosity (2% solution, 25℃)

Application

CMAX-300DR

240-360mPa.s

Cementing

CMAX-100000DR

80000-120000mPa.s

Oil drilling

CAMX-150000DR

120000-180000mPa.s

Oil drilling

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Q:Will food additives cause allergies?
Daily food is often seen in many artificial additives, these chemical ingredients to add the dose is not much, and most of the reasonable range, will not cause a great burden on the human body. But for allergies, these artificial additives through the diet into the body, may cause allergic reactions! Such as pickles, soy sauce, all kinds of canned food, snacks, biscuits, candied fruit, fruit juice, soft drinks, instant noodles, etc., if not special attention, often overlooked one of the artificial additives ingredients, long-term intake, the amount of accumulated is also amazing, Which day will induce allergic reactions. Clinically, some people are allergic to monosodium glutamate, but also because of eating diarrhea, candied fruit, lily, by which the sulfite-induced asthma attack; or because of food colorants and cause asthma, urticaria, allergic rhinitis, conjunctivitis The
Q:The state expressly prohibits the addition of food additives
The state expressly prohibits the addition of food in the food can not be called food additives, and is generally referred to as illegal additives. Our country's Ministry of Health has repeatedly published in the food may be illegal to add non-food blacklist, there are hanging white block, Sudan red, Wang Jinhuang, melamine, borax, sodium thiocyanate, rose red B, art green, White, acid orange, formaldehyde, industrial caustic soda, carbon monoxide, sodium sulfide, industrial sulfur, industrial dyes, poppy shell, leather hydrolyzate, potassium bromate, benzoyl peroxide, dimethyl fumarate, waste oil, mineral oil , Industrial gelatin, industrial alcohol, dichlorvos, hair water, industrial acetic acid, sorbic acid, copper sulfate, nitrofurans, clenbuterol, sedatives, industrial magnesium chloride, chloramphenicol, water glass, malachite green, Care products, sodium pentachlorophenolate, alkaline yellow, trichlorfon, olaquindox and so on. In addition, the use of food additives and over-range is also illegal.
Q:Gasoline additive problems (cleaning the fuel injector burner)
Often pulled high speed, then, in fact, it is not easy to accumulate carbon, but the spark plug loss. Ordinary urban road traffic is not good to stop when the carbon deposition more. In fact, personally suggested that the best is to find a familiar road repair shop, regularly to clean the spark plug throttle and even do the combustion chamber clear. Spark plug and throttle cleaning do not need much money, only the engine is more expensive. But within the clear two thousand to twenty thousand five times when the clearance of a good (to protect the engine performance), throttle and spark plugs generally five thousand cleaning (this is the shortest cycle). Considering that even if you use additives, the cleaning time is the same as the conditions to be cleaned, tell the truth that short-term cleaning is not only cost higher than the additive, but also much cleaner than the additive clean up.
Q:Food additives use requirements
According to the provisions of GB 2760 implementation.
Q:Seeking the method and training organization for the food additives of Lu Cai
Sugar color has long been industrial production, called caramel pigment, syrup at a certain temperature occurred caramelization reaction. Mao Li you try to use cola bubble, cola which has phosphoric acid, can increase the brittleness, in fact, and the use of additives phosphate (tender meat powder) is a reason, or use protease with papaya extraction and microbial fermentation of two. Color can be used with vitamin C and citric acid with, of course, these are microbial fermentation, natural Amway also can not afford. Want to save money with sodium nitrite, but to grasp the amount of bad will be poisoned.
Q:Why do additives cause hyperactivity?
Additives for chemicals have different purposes. If you are studying effects of medicines, there are many class of additives. Most common are fillers - This compounds help in preparing dilution for tablating (or other forms of medicines) to help tableting exact dose. These are generally starch or salts. There are some additives being used to encapsulate the medicine. This help in delivering the medicine in the targeted zone. his compounds protect the medicine from being absorbed in region where it is not required - and in most cases it works on pH balance or presence of some specific ions. This compounds indirectly help in improving the efficiency of medicine. Some additives are made to increase the efficiency of the medicine. They are some times other medicine - combination preparations or some enzyme like compounds. It is known as synergistic effect. Increased efficiency - effect of medicines can be identified as hyper activity in body. Some additives are binders - that help tablating.
Q:List all subgroups of the additive group of integers.?
Subgroups Of Z
Q:Additive and Multiplication Inverse questions help?
1. Additive inverse: To find the additive inverse find what the number added to will equal zero. So basically, set up an equation to finda." z+a=0 -2+4i+a=0 a=2-4i And so the additive inverse of -2+4i is 2-4i. (notice that it was simply the originally number multiplied by -1). 2. Multiplicative inverse: Basically the same thing only the two numbers are multiplied. z*m=1 (1-i)*m=1 m=1/(1-i) So that's the answer. I suppose you should probably simplify it though. 1/(1-i) * (1+i)/(1+i) [multiply by the conjugate of the denominator to get the complex number out of the denominator). (1+i)/(1-i²) (1+i)/(1--1) (1+i)/2 So that's you're answer.
Q:Pros and cons of food additives?
Pros: Grown without pesticides, synthetic chemicals, preservatives, non-irradiated, non-genetically modified, better nutrition for the person ingesting them, less toxicity for the person ingesting them, feeling of better well being is markedly noticeable Cons: Expensive, shorter shelf life ,limited availability, limited selection If you hear news reports telling you that there is no difference between the two, consider the source : It's just like most western medicine doctors telling people that vitamin supplements don't help people. Of course they are going to say that. Doctors want you to be sick so you'll buy their pimp's (pharmaceutical companies) drugs and spend money on doctor visits. Also pharmaceutical companies and most western medicine doctors don't make any money off of vitamin supplements or the fact that you are healthy.. Something to think about, huh? Believe it... cause it's true. It's a sad state of affairs, but it's definitely true
Q:What are uses of food additives and perservatives? 10 POINTS FOR BEST ANSWER?
Copied okorder.com/food_addi... Preservatives: Preservative food additives can be used alone or in conjunction with other methods of food preservation. Preservatives may be anti-microbial preservatives, which inhibit the growth of bacteria and fungi, or antioxidants such as oxygen absorbers, which inhibit the oxidation of food constituents. Common anti-microbial preservatives include calcium propionate, sodium nitrate, sodium nitrite, sulfites (sulfur dioxide, sodium bisulfite, potassium hydrogen sulfite, etc.) and disodium EDTA. Antioxidants include BHA and BHT. Other preservatives include formaldehyde (usually in solution), glutaraldehyde (kills insects), ethanol and methylchloroisothiazolinone. The benefits and safety of many artificial food additives (including preservatives) are the subject of debate among academics and regulators specializing in food science and toxicology. (source - wikipedia) Food Additive: Food additives are substances added to food to preserve flavour or improve its taste and appearance. Some additives have been used for centuries; for example, preserving food by pickling (with vinegar), salting, as with bacon, preserving sweets or using sulfur dioxide as in some wines. With the advent of processed foods in the second half of the 20th century, many more additives have been introduced, of both natural and artificial origin. (source - wikipedia) Some additives are manufactured from natural sources such as soybeans and corn, which provide lecithin to maintain product consistency, or beets, which provide beet powder used as food coloring. Other additives are man-made. Artificial additives can be produced more economically, with greater purity and more consistent quality than some of their natural counterparts. A substance added to a food for a specific purpose in that food is referred to as a direct additive. Many direct additives are identified on the ingredient label of foods. I don't know if this is exactly what you wanted

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